Seiko Cal. 6659 - 960

The Seiko 6659-960 represents an important milestone in Seiko's 1976 lineup. Powered by the 6659 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-557f001425fd]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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