Seiko Cal. 3841 - 921

Seiko 3841-921

This Hand-Winding model from 1966 features a 39mm PVD Black case. Powered by the 3841 caliber with 35j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-02e3c02bbad9]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
13.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1966

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