Seiko Cal. 3812 - 223

The Seiko 3812-223 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-434dc5acc52d]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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