Seiko Cal. 7028 - 507

The Seiko 7028-507 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-d4e30d2b75a3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1969

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