Seiko Cal. 0731 - 720

Seiko 0731-720

The 0731-720 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0731 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-45235fe81f3a]

Also known as: Flighty

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1989

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seikata-wm-45235fe81f3a