Seiko Cal. 3860 - 715

Seiko 3860-715

This Automatic model from 1979 features a 38mm Hardlex-Coated Steel case. Powered by the 3860 caliber with 21j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-1fdd386a6b41]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1979

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seikata-wm-1fdd386a6b41