Seiko Cal. 3860 - 645

This Automatic model from 1980 features a 45mm Titanium case. Powered by the 3860 caliber with 31j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-55d8dd870a69]

Also known as: Arnie, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1980

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