Seiko Cal. 5639 - 618

Seiko 5639-618

This Hand-Winding model from 1969 features a 45mm Hardlex-Coated Steel case. Powered by the 5639 caliber with 27j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-01f950a6fd37]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1969

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seikata-wm-01f950a6fd37