Seiko Cal. 7154 - 858

The Seiko 7154-858 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ee37233ada45]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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