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Meca-Quartz Chronograph - VK63

A hybrid movement that combines the precision of quartz with the feel of a mechanical chronograph. The VK63 features a sweeping chronograph seconds hand, instant snap-back reset, 24-hour subdial, 60-minute chronograph, and date display, making it one of the most popular movements for racing-inspired and sports chronographs.

 

The TMI VK63 is a premium Meca-Quartz chronograph movement developed by TMI (Time Module Inc., part of the Seiko Group). Unlike conventional quartz chronographs, the VK63 incorporates a mechanical chronograph module, providing crisp pusher feedback, a smooth sweeping chronograph seconds hand, and an instant fly-back reset while maintaining the precision and convenience of quartz technology.

 

Specification

Details

Manufacturer

TMI (Seiko Group)

Caliber

VK63

Movement Type

Meca-Quartz Chronograph

Functions

Hours, Minutes, Small Seconds, Chronograph Seconds, 60-Minute Chronograph, 24-Hour Indicator, Date

Jewels

0 Jewels

Accuracy

±20 seconds per month

Battery

SR936SW Silver Oxide

Battery Life

Approx. 3 Years

Diameter

29.00 mm

Height

5.10 mm

Hacking Seconds

Yes (Time Setting)

Country of Origin

Japan


Operating Instructions

Setting the Time

  1. Pull the crown to the second click.

  2. Turn the crown until the correct time is displayed.

  3. Push the crown back to the normal position.

Setting the Date

  1. Pull the crown to the first click.

  2. Turn the crown to adjust the date.

  3. Push the crown back once the correct date is set.

Important: Do not change the date between 9:00 PM and 3:00 AM, as the calendar mechanism may be engaged.


Using the Chronograph

Starting the Chronograph

  • Press the top pusher (2 o'clock) to start timing.

Stopping the Chronograph

  • Press the top pusher again to stop timing.

Resetting the Chronograph

  • After stopping the chronograph, press the bottom pusher (4 o'clock).

  • The chronograph hands will instantly return to the 12 o'clock position with a precise mechanical snap-back action.


Care & Maintenance

  • Replace the battery approximately every 3 years.

  • Avoid exposing the watch to strong magnetic fields and severe impacts.

  • Keep the crown fully pushed in (or screwed down if applicable).

  • Have the watch's seals checked periodically to maintain water resistance.

  • Although the movement requires minimal maintenance, periodic servicing is recommended to ensure optimal performance.


Why Choose the VK63?

  • Premium Japanese Meca-Quartz movement

  • Quartz accuracy with mechanical chronograph feel

  • Smooth sweeping chronograph seconds hand

  • Instant snap-back chronograph reset

  • Crisp mechanical pusher action

  • 60-minute chronograph and 24-hour indicator

  • Date display

  • Approximately 3-year battery life

  • Highly reliable and low maintenance

The VK63 is one of the most respected meca-quartz movements available, offering the appearance and tactile experience of a mechanical chronograph while delivering the precision, durability, and convenience of quartz technology.