Seiko Cal. 6659 - 172

The Seiko 6659-172 represents an important milestone in Seiko's 1977 lineup. Powered by the 6659 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-a0b9364aa990]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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