Seiko Cal. 7140 - 693

The Seiko 7140-693 represents an important milestone in Seiko's 1976 lineup. Powered by the 7140 caliber with 29j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-9c2a313a8082]

Also known as: Sea Horse, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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