Seiko Cal. 5660 - 281

Seiko 5660-281

This Automatic model from 1966 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b775e6c9c41e]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1966

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