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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