Seiko Cal. 6647 - 343

Seiko 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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