Seiko Cal. 7140 - 739

The Seiko 7140-739 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0ef35eb1202e]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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