Seiko Cal. 6631 - 590

Seiko 6631-590

This Automatic model from 1993 features a 34mm Hardlex-Coated Steel case. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-f86149f003dc]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1993

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