Seiko Cal. 5635 - 583

The 5635-583 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5635 caliber with 25j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-051105814bfc]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1966

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