Seiko Cal. 3865 - 921

Seiko 3865-921

This Hand-Winding model from 1968 features a 46mm Titanium case. Powered by the 3865 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-8fa245f81f23]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Cream
Jewels
33j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1968

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