Watch Database

Balance Staff

For Seiko 4N21-039B

Ronda #2540

A: 2.63mm

B: 1.4mm

C: 0.78mm

D: 0.37mm

E: 0.51mm

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Movement Listing

This balance staff is used by the following movements:

Movement	Shock System	Description
Citizen 4-D01646	Ordinary/None
Citizen 4-D01646	Ordinary/None
Seiko Y651-5170	Ordinary/None	PULSAR CASE REFERENCE
Brac 1393	Ordinary/None	BPH W/O SEC AUTO CALD DIGITAL
Seiko Y563-8270	Ordinary/None	PULSAR CASE REFERENCE
Seiko Y562-8129	Ordinary/None	PULSAR CASE REFERENCE

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