Seiko Cal. 5637 - 581

Seiko 5637-581

The 5637-581 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5637 caliber with 22j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-673dec04031f]

Also known as: Pogue, Arnie

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1980

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seikata-wm-673dec04031f