Seiko Cal. 6647 - 343

The 6647-343 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6647 caliber with 36j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-8a7eee64352b]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1994

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