Seiko Cal. 6631 - 224

Seiko 6631-224

This Hand-Winding model from 1972 features a 34mm Hardlex-Coated Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a61bb63c1cea]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1972

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