Seiko Cal. 6645 - 555

The Seiko 6645-555 represents an important milestone in Seiko's 1979 lineup. Powered by the 6645 caliber with 36j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-d9156125b363]

Also known as: Shogun, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1979

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