Seiko Cal. 7031 - 680

The Seiko 7031-680 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-6895b8e7ff3f]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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