Seiko Cal. 3865 - 187

Seiko 3865-187

This Spring Drive model from 1972 features a 39mm Hardlex-Coated Steel case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1f18206872fb]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Silver
Jewels
20j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1972

Related Models

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