Seiko Caliber PC32S

Manufacturer	Seiko Instruments Inc. (SII)
Caliber Number	PC32S
Movement Type	Quartz, battery-powered
Lignes	10.5”’
Diameter	23.7mm
Casing Diameter	18.10mm
Height	4.15mm thick
Jewels	0
Battery Cell Number	SR626SW
Quartz Type	Tuning fork
Frequency	32,768 Hz (cycles per second)
Driving System	2 pole step motor
Accuracy Rating	See below…
Stem	0354-3000 (354300), 354128 (old)
Hand Sizes	1.20mm (hrs) /  .70mm (mins) / .17mm (hrs)
Functions	Central hours; central minutes; central seconds; date at 3:00 (or between 4:00 and 5:00 depending on the watch design)
Hacking Seconds?	Yes
Country of Manufacture	Made in Singapore
Known Models	(Too many to list, add your watches in the comments below…)

The Seiko caliber PC32S is a quartz movement is made in Singpore. It is a 0 jewels movement with 3 hands and a date.

You may see this movement listed under Seiko, SII (Seiko Instruments), Hattori, or Epson. Learn more here.

Accuracy:

Time Module Inc. claims that the caliber PC32S will maintain accuracy of: “Less than 30 seconds per month at normal temperature range.”

Battery Replacement:

The battery in the PC32S is a cell number 377 aka SR626SW. It is held in place with a friction arm. Gently (read again, gently) pry the battery up and out (carefully prying back the friction arm if needed). Insert the new battery in the opposite order.

Replacement Price:

Replacement prices of this watch movement were found online in the range of $12.95.

Additional Resources:

• TMI PC32S tech sheet (pdf)