Seiko Cal. 3811 - 783

This Spring Drive model from 1996 features a 34mm Hardlex-Coated Steel case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-744c0ff0421c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1996

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