Seiko Cal. 3820 - 816

This Hand-Winding model from 1986 features a 37mm Titanium case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-58edd18dedf8]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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