I'm weighting:
- Movement quality
- Real-world accuracy
- Reliability
- Power reserve
- Serviceability / parts availability
- Cost of the watch containing it
- How much extra you are actually getting as you move up the price ladder
That last point is crucial. A $1,000 movement isn't necessarily twice as good as a $500 movement.
Current market data also supports the idea that Miyota and Seiko dominate the value end, while Sellita/ETA occupy the traditional Swiss middle ground.
.........................................................................................................
Miyota (Citizen)
Founded in 1959 in Miyota, Japan
Miyota 8215 (and other 8000 series movements)
First introduced in 1977, it powers millions of affordable watches and microbrand timepieces worldwide because it is inexpensive, tough, and easy to service. You can learn more about its technical specifications directly from Miyota. [1, 2, 3]
Key Technical Specifications
- Jewels: 21 jewels to reduce friction on moving parts.
- Frequency: 21,600 vibrations per hour (3 Hz), meaning the second hand ticks 6 times per second.
- Power Reserve: Approximately 40 to 42 hours when fully wound.
- Winding: Supports both automatic self-winding (via a unidirectional rotor) and manual hand-winding.
Pros and Cons
- Pros: It is practically indestructible, very affordable, and parts are widely available for watchmakers.
- Cons: Many online watch communities on Reddit note that it uses an indirect-drive second hand, which can cause the second hand to visually stutter or momentarily pause if the watch is tapped or jolted. It also features a unidirectional winding rotor that can spin freely and feel a bit noisy or rattly compared to bi-directional competitors like the Seiko NH35. Older versions also lack a "hacking" feature (stopping the second hand when setting the time), though modern iterations have added it. [1, 2, 3, 4, 5, 6]
- variations: 8215, 8205 (day/date), 8285 and other 8000 series movements.
Miyota 9000 series
9015
The Miyota 9015 is a high-performance, Japanese-made automatic watch movement introduced by Citizen's Miyota division in 2009. [1, 2]
It serves as a reliable "workhorse" caliber designed to compete directly with mid-tier Swiss movements like the ETA 2824-2 and Sellita SW200, but at a much lower cost. [1, 2, 3, 4]
Key Specifications
- Thickness: 3.9 mm (making it very slim for an automatic movement)
- Diameter: 26 mm (11-1/2 ligne)
- Jewels: 24 jewels
- Frequency: 28,800 vibrations per hour (4 Hz) for a smooth second-hand sweep
- Power Reserve: Approximately 42 hours
- Accuracy: Rated between -10 and +30 seconds per day
- Functions: Hours, minutes, sweep seconds, quick-set date (typically at the 3 o'position)
Why It Is Popular
- Slim Profile: At only 3.9 mm thick, it allows watchmakers to design much thinner, elegant dress and everyday watches without a bulky case. [1, 2, 3]
Common Characteristics & Quirks
- Rotor Wobble: The Miyota 9015 uses a unidirectional winding rotor. When the rotor spins freely in the non-winding direction, it can produce a distinct whirling sound or a slight "wobble" sensation on the wrist. Many watch enthusiasts view this as a harmless trademark rather than a defect
===================================================
Seiko
NH series and variations
Variations:
NH34 GMT + date
NH35A
NH35 -date
NH36 day date
NH38 open heart , no date
NH 70, 71, 72 skeleton
all are the same size
The Seiko NH35 is a reliable, mass-produced automatic watch movement that powers millions of affordable and microbrand watches worldwide. [1, 2]
It serves as the unbranded, third-party version of Seiko's internal 4R35 caliber. Because Time Module Inc. (TMI) sells these movements to independent watchmakers and hobbyists, it has become an industrial standard. [1, 2, 3]
Key Specifications
- Jewels: 24 synthetic ruby jewels reduce friction inside the movement.
- Frequency: Operates at 21,600 vibrations per hour, or 3 beats per second.
- Power Reserve: Stores about 41 hours of energy when fully wound.
- Accuracy: Rated between -20 and +40 seconds per day out of the box.
- Size: Measures 27.4 mm wide with a height of 5.32 mm.
..................
Seiko NE15 and its variations
The Seiko NE series is a line of mechanical watch movements produced by Seiko Instruments Inc. (SII) and distributed via Time Module Inc. (TMI) for use by third-party brands and microbrands. [1, 2]
Overview and Purpose
The NE series mirrors Seiko's internal, in-house movement lineups (such as the 6R and 8R series), but they are branded and sold to independent watchmakers and companies that do not feature the Seiko name on their dials. While the related NH series serves as the commercial equivalent to the entry-level 4R series, the NE series targets a higher tier of performance, premium materials, and specialized complications like high-end mechanical chronographs. [1, 2, 3, 4, 5]
Key Models and Equivalents
- NE15 (and NE15C): This is the external equivalent to Seiko's in-house 6R15 movement. It features 24 jewels, automatic and manual winding, hacking seconds, and an upgraded power reserve (typically around 50 hours) compared to basic entry-level calibers. [1, 2]
- NE88 and NE86: These are high-performance automatic chronograph movements, serving as the commercial counterparts to Seiko's internal 8R series. Unlike cam-actuated workhorses such as the Valjoux 7750, the NE88/NE86 feature a column wheel and a vertical clutch, delivering smooth chronograph engagement without the initial stutter or jumping of the seconds hand. They operate at a high beat rate of 28,800 vibrations per hour (4Hz) and offer roughly a 45-hour power reserve
---------------------------------------------------------------
ETA
This is the big brand from Switzerland.
ETA movements are the reliable, mass-produced mechanical and quartz watch engines created by the Swiss manufacturer ETA SA that saved modern Swiss watchmaking. [1, 2, 3]
History and Background
- Origins: Founded in 1856 in Switzerland, ETA evolved through the 20th century by uniting various movement and component makers. [1, 2, 3]
- The Swatch Group: In 1983, ETA became part of the newly formed Swatch Group, acting as the industry standard and backbone for Swiss watch manufacturing. [1, 2]
- Industry Impact: ETA standardized Swiss precision and supplied affordable, robust calibers to both entry-level and luxury brands when the industry was struggling against quartz competition
PESEUX / ETA 7001
ETA 2824-2
ETA 2829-A2
ETA 2801-2
ETA 7750 (Valjoux) - chronograph
ETA 6497 (Unitas) - pocket watch size
Key Characteristics of ETA
- Reliability and Serviceability: Widely considered the gold standard because they are easy to repair, modify, and regulate.
- Accuracy: Standard automatic versions generally run within ±10 seconds per day, while COSC chronometer grades achieve −4/+6 seconds per day.
- Widespread Use: Found across many Swatch Group brands (like Hamilton, Tissot, and Longines) as well as external luxury competitors.
- Explore the detailed guide on Chrono24 Magazine for specifications on the thin 2892-A2.
- Read the educational breakdown on Time+Tide Watches to learn about vintage pocket-watch movements like the Unitas series.
- Review the historical background and facts on Wikipedia regarding vertical component manufacturing.
............................................................
Sellita
The Sellita Watch Co SA is a premier Swiss mechanical movement manufacturer based in La Chaux-de-Fonds, powering a vast portion of the modern watch industry. [1]
History and Rise
- Early roots: Founded in 1950, Sellita initially acted as a sub-contractor, assembling ETA movement kits for various watch brands.
- Independence: When ETA restricted the supply of movements to companies outside the Swatch Group, Sellita stepped up to fill the void.
Core Movement Series
- Sellita SW200-1: A 4 Hz (28,800 vph), 26-jewel automatic workhorse modeled after the ETA 2824-2, featuring bidirectional winding and a hacking seconds hand. The updated SW200-2 Power Plus further increases the power reserve to 65 hours. [1, 2, 3]
- Sellita SW300-1: A thin automatic movement (3.6 mm height) mirroring the profile of the ETA 2892-A2, ideal for slim dress and dive watches. [1]
Performance Grades
- Standard: Adjusted in two positions with a tolerance of +/- 12 seconds per day.
- Elaboré: Adjusted in three positions with an average rate of +/- 7 seconds per day.
- Top: Adjusted in five positions with a tolerance of +/- 4 seconds per day.
- Chronometer: Certified by COSC with stringent daily accuracy of -4/+6 seconds
- Read an in-depth breakdown of the Sellita SW200 Guide.
...............................
Soprod
Soprod is a major Swiss movement manufacturer founded in 1966 that provides independent mechanical alternatives to dominant industry giants like ETA and Sellita. [1, 2]
Owned by the Festina Group, the company is known for producing high-grade, highly integrated Swiss automatic movements. [1, 2]
Key Soprod Movement Series
- M100 (Alternance 10 / A10): Originally launched as the A10-2, the Soprod M100 is an 11.5-ligne premium automatic movement. While often compared to the ETA 2824 or 2892, it features a more robust architecture and serves as a base for complications like GMT (C125), power-reserve indicators, big dates, and open-heart designs. It beats at 28,800 vph (4 Hz) with a 42-hour power reserve. [1, 2, 3, 4]
- Newton: Introduced in 2020, the Soprod Newton is a modern, highly shock-resistant caliber. It features a full balance bridge and heavy-duty design, positioned as a robust alternative in the mid-tier Swiss automatic market. [1, 2]
- P024: This is Soprod’s direct ETA 2824-2 compatible clone. It operates at 28,800 vph (4 Hz) with a 38-hour power reserve, offering brands a traditional Swiss workhorse alternative. [1, 2, 3]
- SOP 6000 Series: Includes compact automatic calibers like the SOP 6024 and 6029 (featuring small seconds), built for smaller or specialized watch geometries. [1]
............................................
STP
The STP (Swiss Technology Production) series is a line of Swiss-made automatic mechanical watch movements manufactured by a subsidiary of the Fossil Group. [1, 2]
The STP Watch Movements - Caliber Corner guide details how the company was founded in 2006 in Switzerland to build reliable alternatives to popular industry standards like the ETA 2824-2. These movements power watches for brands within the Fossil Group, such as Zodiac, as well as various third-party watchmakers. [1, 2, 3, 4]
Major Calibers in the STP Series
- STP1-11: This is the flagship automatic base movement. It is a clone of the ETA 2824-2 and fits into the same case dimensions. It features 26 jewels, a high beat rate of 28,800 vph (4 Hz), and a 44-hour power reserve. [1, 2, 3, 4]
- STP3-13: Similar to the base 1-11 model, this version adds a swan-neck regulator. The swan-neck allows watchmakers to make very fine and easy adjustments to the accuracy of the watch. [1, 2]
- STP2-12: This version builds upon the base architecture by adding a functional power reserve indicator complication on the dial. [1, 2]
- STP5-15: This is an open-heart style movement. It features a visible balance wheel cutout positioned at the 12 o'clock location on the dial. [1, 2]
- STP8-14: Designed specifically for smaller women's watches, this scaled-down automatic movement expanded the brand's versatility in the market
Key Technical Features
- Hacking and Hand-Winding: All main STP automatic calibers support manual hand-winding and hacking (stopping the second hand when setting the time). [1, 2]
- Decoration: Most movements feature decorative finishes like perlage on the base plates and bridges. [1, 2]
- Anti-Shock and Springs: They utilize Nivaflex mainsprings and Incabloc shock absorbers for durability. [1]
- Winding Stop: Unlike some traditional movements where the crown keeps spinning indefinitely via a clutch once fully wound, STP crowns come to a firm stop. [1]
...................................
| Rank | Movement | Typical watch price* | Power reserve | Value | My verdict |
|---|---|---|---|---|---|
| 1 | Miyota 9015 | $400–900 | ~42h | ⭐⭐⭐⭐⭐ | Best overall value |
| 2 | Seiko NH35 | $200–500 | ~41h | ⭐⭐⭐⭐⭐ | Best cheap movement |
| 3 | Sellita SW200-1 | $600–1,500 | ~38h | ⭐⭐⭐⭐⭐ | Best Swiss workhorse |
| 4 | Seiko 4R35/4R36 | $250–600 | ~41h | ⭐⭐⭐⭐⭐ | Outstanding value |
| 5 | Tissot/ETA Powermatic 80 | $600–1,200 | ~80h | ⭐⭐⭐⭐⭐ | Best power reserve/value |
| 6 | Miyota 9039 | $500–1,000 | ~42h | ⭐⭐⭐⭐⭐ | Excellent slim no-date |
| 7 | Orient F6922 | $250–500 | ~40h | ⭐⭐⭐⭐⭐ | Superb inexpensive in-house |
| 8 | Seiko 6R35 | $700–1,300 | ~70h | ⭐⭐⭐⭐½ | Excellent everyday movement |
| 9 | Miyota 8215 | $200–400 | ~42h | ⭐⭐⭐⭐½ | Cheap and proven |
| 10 | ETA 2824-2 | $700–1,500+ | ~38h | ⭐⭐⭐⭐½ | Classic Swiss benchmark |
| 11 | Seiko 6R15 | $600–1,200 used | ~50h | ⭐⭐⭐⭐½ | Excellent older Seiko |
| 12 | Miyota 9019 | $500–900 | ~42h | ⭐⭐⭐⭐½ | Thin 28,800-vph option |
| 13 | Seiko NH34 | $300–600 | ~41h | ⭐⭐⭐⭐½ | Fantastic cheap GMT |
| 14 | Sellita SW300-1 | $1,000–2,000 | ~42h | ⭐⭐⭐⭐½ | Excellent thin Swiss |
| 15 | ETA 2892-A2 | $1,000–2,000 | ~42h | ⭐⭐⭐⭐½ | Superior thin Swiss workhorse |
| 16 | Seiko 7S26 | $150–400 | ~41h | ⭐⭐⭐⭐½ | Legendary durability |
| 17 | Tudor MT56xx | $3,000–5,000 | ~70h | ⭐⭐⭐⭐½ | Excellent luxury value |
| 18 | Omega 2500 Co-Axial | $2,500–5,000 used | ~48h | ⭐⭐⭐⭐½ | Great used-watch value |
| 19 | Omega 8800/8900 | $5,000–8,000+ | 55–60h | ⭐⭐⭐⭐½ | Superb modern engineering |
| 20 | Rolex 3135 | $7,000–12,000 used | ~48h | ⭐⭐⭐⭐½ | Exceptional durability |
| 21 | Rolex 3235 | $10,000+ | ~70h | ⭐⭐⭐⭐ | Outstanding, but diminishing returns |
| 22 | Grand Seiko 9S | $4,000–8,000 | ~55h | ⭐⭐⭐⭐ | Exceptional finishing |
| 23 | Zenith El Primero | $6,000–12,000 | ~50h | ⭐⭐⭐⭐ | Superb chronograph |
| 24 | Valjoux/ETA 7750 | $1,500–4,000 | ~42h | ⭐⭐⭐⭐½ | Great chrono workhorse |
| 25 | Seiko 8R48 | $2,000–4,000 | ~45h | ⭐⭐⭐⭐ | Excellent Japanese chrono |
| 26 | IWC 32111/32110 | $3,000–6,000 | ~72h | ⭐⭐⭐⭐ | Excellent modern architecture |
| 27 | Nomos DUW 3001 | $3,000–5,000 | ~43h | ⭐⭐⭐⭐ | Beautifully engineered |
| 28 | Longines L888 | $1,500–3,000 | ~72h | ⭐⭐⭐⭐½ | Excellent mid-price Swiss |
| 29 | Sellita SW300 | $1,000–2,000 | ~42h | ⭐⭐⭐⭐½ | Great ETA 2892 alternative |
| 30 | Patek Philippe 240 | $30,000+ watches | ~48h | ⭐⭐⭐ | Technically extraordinary, terrible $/performance |
................
🥇 My overall winner: Miyota 9015
This is the movement I'd choose if I wanted to maximise mechanical quality per dollar.
The 9015 is:
- 28,800 vph
- about 42-hour reserve
- 24 jewels
- hacking
- hand winding
- only about 3.9 mm thick
- relatively inexpensive
- widely available
- very easy to service
Its thinness is particularly useful because it allows manufacturers to make a genuinely slim automatic watch.
Why #1 rather than NH35?
The NH35 is extraordinarily good value, but the 9015 gives you:
higher frequency + thinner movement + generally better positional performance potential.
So I'd describe them as:
NH35 = unbeatable cheapness
9015 = sweet spot
...........
My personal "sweet spot"
If I had to pick five movements for five different purposes:
| Purpose | Movement I'd choose |
|---|---|
| Absolute cheap value | 🥇 Seiko NH35 |
| Best overall value | 🥇 Miyota 9015 |
| Best Swiss value | 🥇 Sellita SW200-1 |
| Best long power reserve/value | 🥇 Powermatic 80 |
| Best luxury engineering/value | 🥇 Omega 8900 |
...................
No comments:
Post a Comment