Seiko Cal. 6689 - 771

The Seiko 6689-771 represents an important milestone in Seiko's 1977 lineup. Powered by the 6689 caliber with 24j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-4621d6c16a96]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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