The Seiko V694A is a battery-powered quartz chronograph movement known for its precise timing, robust design, and user-friendly functionality. It belongs to Seiko’s widely used V690-series of analog chronograph calibers and is popular in sports, pilot, and field watches that demand accurate stopwatch capabilities alongside everyday timekeeping.

Overview

The V694A features a classic analog display with central hour and minute hands, a central chronograph seconds hand, and three subdials showing a 60-minute elapsed time counter, 24-hour time indication, and running seconds. It also includes a quickset date window, typically located between 3 and 4 o’clock.

Powered by a reliable SR927W silver oxide battery, the movement offers a battery life of approximately 3 years and maintains an accuracy of ±15 seconds per month. It includes hacking seconds to enable precise time synchronization and supports manual chronograph reset calibration to correct hand alignment.

Key Features

• Quartz Precision: ±15 seconds per month

• Chronograph Functions:

  • Central chronograph seconds hand

  • 60-minute chronograph totalizer (subdial)

  • 24-hour indicator subdial

  • Small running seconds subdial

• Date Display: Quickset date via crown

• Battery Powered: Uses SR927W silver oxide battery

• Hacking Seconds: Second hand stops for accurate time setting

• Chronograph Calibration: Manual adjustment possible to ensure zero reset

Technical Specifications

• Caliber: Seiko V694A

• Movement Type: Quartz analog chronograph

• Battery Type: SR927W (1.55V silver oxide)

• Battery Life: Approximately 3 years

• Chronograph Range: 60 minutes

• Accuracy: ±15 seconds per month

• Calendar: Quickset date only

• Jewels: 0

• Hand Hole Sizes:

  • Hour: 1.20 mm

  • Minute: 0.70 mm

  • Chronograph Seconds: 0.20 mm

• Dimensions:

  • Diameter: Approx. 27.0 mm

  • Thickness: Approx. 4.0 mm

Designed for watch cases ranging from 40 to 44 mm, the V694A balances size and functionality for versatile chronograph designs.

Crown and Pusher Functions

Crown Positions:

• Position 0: Normal operation

• Position 1: Quickset date (rotate clockwise)

• Position 2: Time setting with hacking seconds

Pushers:

• Button A (Top Right): Start/stop chronograph

• Button B (Bottom Right): Reset chronograph (after stopping)

Battery Replacement and Reset

1. Remove the case back and extract the battery carefully using non-metallic tweezers.

2. Insert a new SR927W battery ensuring correct polarity.

3. Perform an AC reset by bridging the reset contact and battery positive terminal with tweezers.

4. Confirm the watch resumes ticking normally.

Replace gaskets during servicing and perform water-resistance tests if the watch is rated.

Maintenance Guidelines

• Chronograph Hand Alignment: If hands do not reset properly, recalibrate using crown and pusher combinations.

• Date Adjustment: Avoid changing the date between 9 PM and 3 AM to prevent gear damage.

• Lubrication: Minimal lubrication is recommended for keyless works and chronograph mechanism pivots.

• Pushers: Inspect and clean pushers regularly to maintain responsiveness.

• Hand Clearance: Verify adequate spacing to avoid mechanical interference.

Common Issues

• Chronograph Hands Misalignment: Can be fixed by manual calibration in reset mode.

• Watch Stops: Battery depletion or poor contact; replace battery and clean terminals.

• Sticky Pushers: Due to dirt or dry lubricant; clean and re-lubricate as needed.

• Date Not Advancing: Often caused by setting date during calendar change hours or mechanical wear.

• Inaccuracy: May result from magnetism or battery degradation.

Applications

The Seiko V694A is commonly used in:

• Professional sports and pilot chronographs

• Field and tactical watches

• Classic analog quartz chronograph watches

• Mid-range quartz chronograph collections

Its straightforward design and reliability make it suitable for both casual and demanding environments.

Conclusion

The Seiko V694A is a dependable quartz chronograph movement offering precise timekeeping, reliable stopwatch functionality, and a user-friendly interface. With a 3-year battery life, quickset date, and hacking seconds, it is ideal for a wide range of chronograph watches. Seiko’s engineering excellence ensures the V694A delivers lasting performance and ease of maintenance, making it a preferred movement for watchmakers and wearers seeking proven analog chronograph capability.