SII Caliber VD53B

SII Caliber VD53B

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The SII Caliber VD53B is a 0-jewel, multi-function quartz chronograph watch movement produced by Seiko Instruments Inc. (also known as Hattori, Epson, or TMI). [1]

Key Specifications

Type: Quartz chronograph [1]
Diameter: 28.8 mm (12-3/4 Ligne) [1]
Thickness: 4.57 mm [1]
Battery: SR920SW (371) with an approximate 2-year lifespan [1]
Jewels: 0 [1]
Calendar/Date: Positioned between 4:00 and 5:00 (or at 6:00 depending on exact variant/dial layout) [1, 2]
Hand Sizes: 1.10 mm (minute/chronograph), 0.65 mm (hour), 0.20 mm (subdial hands)

Features

Features three sub-eyes (subdials) typically tracking chronograph minutes, chronograph 24-hour indicator, and small running seconds. [1, 2]
Uniquely features a central running seconds hand for regular timekeeping, while the stopwatch seconds are recorded in a subdial. [1]

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To fix a misaligned chronograph hand on a Seiko Instruments Inc. (SII) Caliber VD53B movement, you need to manually recalibrate it. [1, 2]

This is a very common issue that frequently happens after a battery change or an impact, and it can be corrected easily without any tools. [1, 2]

On the VD53B, the central long hand is your normal running time seconds, while the stopwatch second hand is the small sub-dial at 6:00 and the stopwatch minute hand is at 9:00. [1]

Follow these steps to recalibrate them back to zero:

Step-by-Step Reset Procedure

Pull the crown out to the second click (the furthest position, used for setting the time). [1, 2]
Press Button A (Top Right Pusher) to advance the stopwatch hands clockwise until they reach the "0" (12 o'clock) position.
• Tip: If you keep Button A pressed down, the hands will move rapidly. Tapping it will move them one tick at a time for precise alignment. [1, 2, 3]
Press Button B (Bottom Right Pusher) if you need to move the hands counter-clockwise to fine-tune the alignment.
• Note: The stopwatch minute hand (at 9:00) moves automatically in sync with the stopwatch second hand (at 6:00) as you adjust it. Keep advancing or reversing the second hand until both sub-dials point perfectly straight up to 0. [1, 2, 3]
Push the crown back in to its normal position against the case. [1, 2]

Testing the Reset

Once the crown is pushed back in, test the system to ensure it saved:

Press Button A to start the chronograph.
Press Button A again to stop it.
Press Button B to reset it. The hands should now snap directly back to 0. [1]