Seiko Cal. 6631 - 383

Seiko 6631-383

This Solar model from 1967 features a 38mm Gold-Plated case. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-f1f421bdbe66]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1967

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