Seiko Cal. 0734 - 557

The Seiko 0734-557 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-79255150e485]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1982

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