Seiko Cal. 7155 - 981

This Hand-Winding model from 1971 features a 34mm Gold-Plated case. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-90bd19051c44]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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