Seiko Cal. 5257 - 136

Seiko 5257-136

This Hand-Winding model from 1974 features a 42mm Hardlex-Coated Steel case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-3db30f444edb]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
100m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1974

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