Seiko Cal. 4491 - 499

The Seiko 4491-499 represents an important milestone in Seiko's 1989 lineup. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-0f961f029d48]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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