Seiko Cal. 3815 - 733

This Quartz model from 1981 features a 37mm Stainless Steel case. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-60f2c241325f]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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