Seiko Cal. 3861 - 691

Seiko 3861-691

This Hand-Winding model from 1985 features a 38mm Hardlex-Coated Steel case. Powered by the 3861 caliber with 33j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-acdedee37534]

Also known as: Sumo, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1985

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seikata-wm-acdedee37534