Seiko Cal. 7120 - 737

This Hand-Winding model from 1978 features a 41mm Gold-Plated case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-dd6a8f708a67]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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