Seiko Cal. 6618 - 309

The Seiko 6618-309 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-ed4ede615994]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

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