Seiko Cal. 5640 - 238

Seiko 5640-238

This Hand-Winding model from 1986 features a 41mm Stainless Steel case. Powered by the 5640 caliber with 24j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-3d868f341492]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Cream
Jewels
24j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1986

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seikata-wm-3d868f341492