Seiko Cal. 0731 - 379

The 0731-379 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0731 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-9099dff08d61]

Also known as: Tuna, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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