Seiko Cal. 3865 - 737

Seiko 3865-737

This Hand-Winding model from 1982 features a 46mm Two-Tone case. Powered by the 3865 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-72c1ea5b9f37]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1982

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seikata-wm-72c1ea5b9f37