Seiko Cal. 7091 - 539

The Seiko 7091-539 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-a77fb08f6cff]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1982

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