Seiko Cal. 5637 - 944

Seiko 5637-944

This Solar model from 1969 features a 41mm Two-Tone case. Powered by the 5637 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ddd423095ef9]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1969

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