Seiko Cal. 4533 - 138

The Seiko 4533-138 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4639d462be72]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1980

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