Seiko Cal. 0743 - 637

Seiko 0743-637

This Hand-Winding model from 1981 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-6e25dd0c8d06]

Also known as: Monster, Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1981

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seikata-wm-6e25dd0c8d06