Seiko Cal. 0728 - 907

The Seiko 0728-907 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1cf480baa1f9]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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