Seiko Cal. 6659 - 477

The Seiko 6659-477 represents an important milestone in Seiko's 1973 lineup. Powered by the 6659 caliber with 26j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-048fe2f2e896]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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