Seiko Calibre 7T94A Quartz Chronograph Movement with Date

Restore a compatible watch with this Seiko Calibre 7T94A analogue quartz chronograph movement, featuring a date display and a stopwatch capable of measuring elapsed time in 1/5-second increments.

The movement displays the main time using hour, minute, and small-seconds hands. Its chronograph function uses separate stopwatch minute and 1/5-second hands and supports standard, accumulated elapsed-time, split-time, and two-competitor measurements.

Product Specifications

Product Type: Analogue Quartz Chronograph Movement
Manufacturer: Seiko
Calibre: 7T94A
Main-Time Display: Hour, Minute, and Small Seconds
Calendar: Date
Chronograph Display: Stopwatch Minute and 1/5-Second Hands
Chronograph Capacity: 60-Minute Display
Chronograph Functions: Standard, Accumulated, Split-Time, and Two-Competitor Measurement
Outside Diameter: 27.60 mm
Casing Diameter: 27.00 mm
Movement Height: 3.30 mm
Driving System: Three Load-Compensated Step Motors
Accuracy: ±15 seconds per month at 5–35°C
Battery Type: SR927SW Silver-Oxide Battery
Battery Voltage: 1.55 V
Estimated Battery Life: Approximately 5 years
Battery-Life Indicator: Yes—small seconds hand advances at two-second intervals
Jewels: 0

Package Contents

1 × Seiko Calibre 7T94A Quartz Chronograph Movement

Not Included: Battery, winding stem, dial, hands, movement holder, pushers, or other accessories.

Please compare the complete 7T94A calibre marking, dimensions, hand layout, date-window position, stem and pusher positions, hand heights, dial fittings, and movement-holder requirements before ordering. Depending on the watch configuration, the date window may be positioned at either 3 or 9 o’clock.

The time, calendar, and chronograph-hand positions must be correctly initialized after installation and battery fitting. Professional installation is recommended.

Seiko is a trademark of its respective owner and is used solely for accurate product identification.