Seiko Cal. 5661 - 145

Seiko 5661-145

This Automatic model from 1974 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0fcba1659dba]

Also known as: Silverwave, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
12.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Champagne
Jewels
30j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1974

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