Seiko Cal. 6378 - 675

Seiko 6378-675

This Hand-Winding model from 1975 features a 35mm Stainless Steel case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-fb9620b90ec5]

Also known as: Monster, Sumo

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Cream
Jewels
34j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1975

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