Seiko Cal. 6613 - 280

The Seiko 6613-280 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-03b5d6b512ef]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

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