Seiko Cal. 0720 - 978

This Hand-Winding model from 1971 features a 41mm Gold-Plated case. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-dd6a44f96c09]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1971

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