Seiko Cal. 4418 - 648

The Seiko 4418-648 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-f8ae06b7baaf]

Also known as: Navigator, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1973

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