Seiko Cal. 5628 - 707

The Seiko 5628-707 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-eb25588b80d3]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

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