Seiko Cal. 5634 - 405

Seiko 5634-405

This Spring Drive model from 1974 features a 35mm Hardlex-Coated Steel case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6d3670a1e326]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1974

Related Models

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