Seiko Cal. 5612 - 656

Seiko 5612-656

This Hand-Winding model from 1978 features a 34mm Hardlex-Coated Steel case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-af6b3e169adf]

Also known as: Sumo, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1978

Related Models

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