Seiko Cal. 7180 - 542

The Seiko 7180-542 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1c8bb813eca0]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1990

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