Seiko Cal. 3861 - 967

This Spring Drive model from 1985 features a 37mm Titanium case. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-27c16fa634f6]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1985

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