Seiko Cal. 6681 - 798

The Seiko 6681-798 represents an important milestone in Seiko's 1969 lineup. Powered by the 6681 caliber with 32j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-3ff26e32969f]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

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