Seiko Cal. 6278 - 664

The Seiko 6278-664 represents an important milestone in Seiko's 1988 lineup. Powered by the 6278 caliber with 18j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-61e8262bfd96]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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