Seiko Cal. 5640 - 261

Seiko 5640-261

This Kinetic model from 1991 features a 37mm Stainless Steel case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-4db5f46bad69]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1991

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seikata-wm-4db5f46bad69