Seiko Cal. 4537 - 630

Seiko 4537-630

This Hand-Winding model from 1975 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-90d905ff0517]

Also known as: Monster, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1975

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