Seiko Cal. 0770 - 813

This Solar model from 1983 features a 41mm PVD Black case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-629beebc3325]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1983

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