Seiko Cal. 6679 - 689

The Seiko 6679-689 represents an important milestone in Seiko's 1968 lineup. Powered by the 6679 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-c0169eea811c]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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