Seiko Cal. 6678 - 954

The Seiko 6678-954 represents an important milestone in Seiko's 1973 lineup. Powered by the 6678 caliber with 17j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-079ad2b44c7f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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