Seiko Cal. 6655 - 635

The Seiko 6655-635 represents an important milestone in Seiko's 1988 lineup. Powered by the 6655 caliber with 20j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-f2839aa71d2d]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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