Seiko Cal. 7028 - 706

The Seiko 7028-706 represents an important milestone in Seiko's 1976 lineup. Powered by the 7028 caliber with 28j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-edcc2af0e082]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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