Seiko Cal. 0740 - 139

The Seiko 0740-139 represents an important milestone in Seiko's 1989 lineup. Powered by the 0740 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-75f520c73cce]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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