Seiko Cal. 6678 - 254

The Seiko 6678-254 represents an important milestone in Seiko's 1974 lineup. Powered by the 6678 caliber with 26j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-6e6b7f46c4c5]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

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