Seiko Cal. 5613 - 136

Seiko 5613-136

This Spring Drive model from 1971 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-87cbe3a68aeb]

Also known as: Sea Horse, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1971

Related Models

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