Seiko Cal. 5285 - 493

The Seiko 5285-493 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1f9339b722aa]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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