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Citizen 5321

Update

Basic Information

Name	Citizen 5321
Manufacturer	Citizen
Launch Year	1975
Caliber Family	Description 0110-0170: no second 2300-2340A: second 5100, 5300: new balance, second 5110, 5310, 5321: new balance, second,date differences not known between series 0110, 0130, 0140, 0150, 0153, 0170 Related calibers Citizen 0110, Citizen 0130, Citizen 0140, Citizen 0150, Citizen 0153, Citizen 0170, Citizen 2300, Citizen 2301, Citizen 2302, Citizen 2303, Citizen 2304, Citizen 2305, Citizen 2340A, Citizen 5100, Citizen 5110, Citizen 5300, Citizen 5310, Citizen 5321
Is COSC certified	No

Timegrapher

Beat rate

18,000 bph

Frequency

2.5 Hz

Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.

Technical Details

Lignes Dimensions	6.75 ‴ x 8 ‴
Dimensions	15.3 mm x 18.5 mm
Height	5.35 mm
Further Measures	Mounting Diameter (Dm): 15.3 x 18.25mm Stem height (T): 2.65mm Mounting Height (F): 1.65mm
Power Reserve	39 hours
Frequency	18,000 vph
Jewels	17

Complications and Specifications

Shape	Barrel (Tonneau)
Complications	Sweep Second Date Year Calendar
Regulator Type	Pinned Regulator (or Index Regulator)
Movement Type	Manual
Escapement Type	Swiss Lever
Control Type	Balance Wheel
Winding Type	Stem Winding (Crown)
Setting Type	Stem Set (Crown Pull)

Additional Information

Hand Sizes	1.2 x 0.7 x 0.18mm
Hand Count	3
Country Of Manufacture	Japan
Notes	Other data: balance staff: U3410 stem: W3331 mainspring / battery: Zf1187, 1.50 x 7.5 x 0.08 x 245mm
Signature	1975: Citizen, Japan, 17 J.; Parashock-3

Compatible Parts

30 other caliber(s) share compatible parts with this caliber.

17 compatible part(s) available — Supporter feature.

Metadata

Created At	Sep 15, 2023
Updated At	Apr 23, 2025, 11:31:25 PM