Seiko Cal. 4437 - 221

Seiko 4437-221

This Spring Drive model from 1988 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-a260632c6cd8]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Black
Jewels
26j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1988

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seikata-wm-a260632c6cd8