Seiko Cal. 6642 - 378

Seiko 6642-378

This Solar model from 1981 features a 35mm Titanium case. Powered by the 6642 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-747f6eac4bca]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Cream
Jewels
25j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1981

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