Seiko Cal. 7028 - 742

The Seiko 7028-742 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-8a437b9b6e2a]

Also known as: Silverwave, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1990

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