Seiko Cal. 5637 - 620

Seiko 5637-620

The 5637-620 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5637 caliber with 26j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-958726f14032]

Also known as: Arnie

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Black
Jewels
26j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1988

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seikata-wm-958726f14032