Seiko Cal. 7178 - 930

The Seiko 7178-930 represents an important milestone in Seiko's 1999 lineup. Powered by the 7178 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-65b7227352f2]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1999

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