Seiko Cal. 4491 - 828

The Seiko 4491-828 represents an important milestone in Seiko's 1998 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ccc2209eea75]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1998

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