Seiko Cal. 5640 - 992

Seiko 5640-992

This Hand-Winding model from 1990 features a 38mm Hardlex-Coated Steel case. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d87fae2c21c0]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Green
Jewels
20j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1990

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