Seiko Cal. 5637 - 926

Seiko 5637-926

The 5637-926 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5637 caliber with 20j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-fc92d206d170]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1979

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seikata-wm-fc92d206d170