Seiko Cal. 5644 - 326

Seiko 5644-326

This Automatic model from 1978 features a 40mm Stainless Steel case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-7953b26420ad]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Black
Jewels
28j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1978

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