Seiko Cal. 6613 - 621

Released in 1983, the Cal. 6613 with design code 621 was part of Seiko's domestic market collection. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-44182be6aa34]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

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