Seiko Cal. 5687 - 402

Seiko 5687-402

This Hand-Winding model from 1980 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-6b4992ebf0d1]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1980

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