Seiko Cal. 3817 - 247

The 3817-247 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3817 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-beb49513b3bf]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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