Seiko Cal. 7031 - 485

The Seiko 7031-485 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5f960e762de0]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1988

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