Seiko Cal. 4491 - 420

Released in 1993, the Cal. 4491 with design code 420 was part of Seiko's domestic market collection. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-ade3aee5b848]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1993

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