Seiko Cal. 7140 - 818

Seiko 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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seikata-wm-ab2a7214e2a8