Seiko Cal. 3864 - 381

This Hand-Winding model from 1971 features a 36mm Titanium case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-20c745441af5]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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