Seiko Cal. 7141 - 631

Seiko 7141-631

This Hand-Winding model from 1974 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-e4c385efe76d]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1974

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