Seiko Cal. 7110 - 877

This Spring Drive model from 1981 features a 40mm Gold-Plated case. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-9e270111b732]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

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