Seiko Cal. 5637 - 970

The 5637-970 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5637 caliber with 30j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-87056e3db5a3]

Also known as: Pogue, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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