Seiko Cal. 5640 - 131

Seiko 5640-131

This Spring Drive model from 1975 features a 43mm Gold-Plated case. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-7ec6b937ddc4]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
White
Jewels
32j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1975

Related Models

seikata-wm-7ec6b937ddc4