Seiko Cal. 6699 - 778

The Seiko 6699-778 represents an important milestone in Seiko's 1972 lineup. Powered by the 6699 caliber with 23j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-7214ed8f74e4]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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