Seiko Cal. 7028 - 878

The Seiko 7028-878 represents an important milestone in Seiko's 1997 lineup. Powered by the 7028 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-465c770417e6]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1997

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