Seiko Cal. 5618 - 772

This Hand-Winding model from 1968 features a 36mm PVD Black case. Powered by the 5618 caliber with 27j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-0c907b651733]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1968

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