Seiko Cal. 5645 - 613

Seiko 5645-613

This Hand-Winding model from 1976 features a 37mm Stainless Steel case. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-13cbe2a42fd2]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1976

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