Seiko Cal. 7188 - 847

The Seiko 7188-847 represents an important milestone in Seiko's 1998 lineup. Powered by the 7188 caliber with 22j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c2e67614bc4d]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1998

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