VD53 Watch Movement

Power your multi-display timepieces with the industrial-grade precision of the TMI Caliber VD53 Watch Movement. Manufactured by Time Module (TMI) under the technical umbrella of Seiko Instruments Inc., this specialized quartz chronograph engine is a preferred choice for watchmakers, modders, and major brands globally.

The defining characteristic of the VD53 is its highly organized tri-compax (three-eye) sub-dial configuration accompanied by a date wheel. Operating via a dual-pole stepping motor array, the independent chronograph hands cleanly measure events down to the second, avoiding the cluttered layouts of less advanced calibers while delivering crisp, reliable push-button action.

Key Features

• Authentic Seiko TMI Caliber: Engineered by Time Module to rigid Japanese quartz tolerances, ensuring a drop-in original factory replacement for thousands of mainstream chronographs.
• Dedicated Dual-Motor Stopwatch: Driven by two separate stepping motors that allow the central main hands to track standard time smoothly while the chronograph sub-dials track split, elapsed, and accumulated lap times independently.
• Integrated 24-Hour Sub-Dial: Features a fully synchronized 24-hour linkage sub-eye that mirrors the center hour-hand, working as an instant AM/PM tracking indicator.
• Quick-Set Calendar Support: Equipped with a standard date disc that can be adjusted safely through a fast first-click crown setting.
• Zero-Jewel High-Efficiency Design: A modern, zero-jewel internal mainplate minimizes friction through highly engineered polymer and alloy gear trains, reducing operational resistance.
• Electronic Reset Capability: Outfitted with an integrated "AC" (All-Reset) circuit reset switch that allows watchmakers to effortlessly recalibrate or re-zero misaligned chronograph hands after a battery swap.
• 3-Year Silver Oxide Longevity: Designed to run reliably for approximately 3 years on a standard SR920SW cell, maintaining a precise monthly accuracy rate of around 20 seconds.

Specifications at a Glance

• Movement Size: 12.75 Ligne (29.50 mm outside diameter x 26.00 mm width)
• Casing Diameter: 28.80 mm
• Total Movement Height: 4.57 mm
• Battery Cell: SR920SW / 371 Silver Oxide (1.55 V)
• Quartz Frequency: 32,768 Hz (Tuning fork oscillator)
• Antimagnetic Rating: ≥ 1600 A/m
• Hand Fitting Sizes: Ø 1.10 mm (Hour) × Ø 0.65 mm (Minute) × Ø 0.21 mm (Center Seconds & Sub-dial Hands)