Seiko Cal. 7031 - 239

The Seiko 7031-239 represents an important milestone in Seiko's 1987 lineup. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-8d5386a14bb7]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1987

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