Seiko Cal. 7140 - 347

The Seiko 7140-347 represents an important milestone in Seiko's 1986 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5f30f098404c]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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