Seiko Cal. 3812 - 249

This Spring Drive model from 1983 features a 38mm PVD Black case. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-ffb7d31175d5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1983

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