Seiko Cal. 6689 - 744

The Seiko 6689-744 represents an important milestone in Seiko's 1979 lineup. Powered by the 6689 caliber with 21j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-761e896c3ee0]

Also known as: Samurai, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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