Seiko Cal. 6689 - 746

Released in 1981, the Cal. 6689 with design code 746 was part of Seiko's domestic market collection. Powered by the 6689 caliber with 27j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-152e8ba7eb23]

Also known as: Silverwave, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

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