Seiko Cal. 5637 - 718

Seiko 5637-718

This Hand-Winding model from 1975 features a 43mm Two-Tone case. Powered by the 5637 caliber with 32j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-b3d3e9000fba]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1975

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seikata-wm-b3d3e9000fba