Seiko Cal. 7040 - 910

This Spring Drive model from 1990 features a 34mm PVD Black case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-e9477d31af42]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1990

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