Seiko Cal. 5637 - 685

Seiko 5637-685

The Seiko 5637-685 represents an important milestone in Seiko's 1968 lineup. Powered by the 5637 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-4a35c1ef5394]

Also known as: Silverwave, Sea Horse

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1968

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seikata-wm-4a35c1ef5394