Seiko Cal. 0720 - 905

This Hand-Winding model from 1971 features a 39mm Stainless Steel case. Powered by the 0720 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-041360d38c8c]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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