Seiko Cal. 7180 - 378

The Seiko 7180-378 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e009401c0c8b]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1991

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