Seiko Cal. 4533 - 891

The Seiko 4533-891 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-903e9d5ae3fa]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1980

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