Seiko Cal. 5644 - 383

Seiko 5644-383

This Automatic model from 1980 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-7d2ea941c66d]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Cream
Jewels
27j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1980

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