Seiko Cal. 3820 - 387

This Automatic model from 1986 features a 37mm Titanium case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-04605297267d]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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