Seiko Cal. 0722 - 306

This Hand-Winding model from 1974 features a 44mm PVD Black case. Powered by the 0722 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-dfd744155595]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

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