Seiko Cal. 7128 - 993

The Seiko 7128-993 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6ab21f8651f6]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1966

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