Seiko Cal. 6655 - 368

The Seiko 6655-368 represents an important milestone in Seiko's 1970 lineup. Powered by the 6655 caliber with 33j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-b8d307240293]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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