Seiko Cal. 6678 - 178

The Seiko 6678-178 represents an important milestone in Seiko's 1997 lineup. Powered by the 6678 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-ade12776648b]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1997

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