Seiko Cal. 6659 - 975

The Seiko 6659-975 represents an important milestone in Seiko's 1981 lineup. Powered by the 6659 caliber with 36j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-0c85f31d5830]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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