Seiko Cal. 6683 - 731

This Automatic model from 1971 features a 34mm Titanium case. Powered by the 6683 caliber with 19j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-a0f9252b9dbb]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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