Seiko Cal. 6140 - 740

Seiko 6140-740

The 6140-740 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6140 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-cc950c65d4d2]

Also known as: Flighty

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1987

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seikata-wm-cc950c65d4d2