Seiko Cal. 5640 - 495

Seiko 5640-495

This Hand-Winding model from 1970 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-307d9893b80d]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
100m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1970

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seikata-wm-307d9893b80d