Seiko Cal. 5635 - 621

The 5635-621 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5635 caliber with 26j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-e962a9c18e7f]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1986

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