Seiko Cal. 6178 - 454

Seiko 6178-454

This Quartz model from 1965 features a 35mm Hardlex-Coated Steel case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6d37d50a9dda]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1965

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