Seiko Cal. 5634 - 613

This Hand-Winding model from 1970 features a 41mm PVD Black case. Powered by the 5634 caliber with 36j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-26a4a19faa77]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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