Seiko Cal. 3870 - 986

This Automatic model from 1967 features a 38mm Titanium case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-1c183a121b8b]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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