Seiko Cal. 6681 - 306

This Automatic model from 1970 features a 41mm Titanium case. Powered by the 6681 caliber with 29j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-3c1c72bb0ecf]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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