Seiko Cal. 5231 - 761

Seiko 5231-761

This Hand-Winding model from 1978 features a 41mm Hardlex-Coated Steel case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2e597acba58c]

Also known as: Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1978

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seikata-wm-2e597acba58c