Seiko Cal. 7140 - 818

The 7140-818 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7140 caliber with 31j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ab2a7214e2a8]

Also known as: Rally, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1984

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