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https://www.alcatech.de/en/downloads/

The Full Strike Tourbillon is, as they say in Britspeak, just what it says on the tin: A combination of the Full Strike repeating link mechanism with a tourbillon. In this case, the tourbillon rotates once per minute, with a link seconds hand mounted on the upper pivot of the tourbillon carriage. The link power reserve indication and the aperture for the gongs are located in the same place as they are in the original Full Strike.

Brand SeikoModel 5 Sports Custom Watch Beatmaker 2021 Limited EditionReference Number SRPH19Diameter 42.5mmThickness link 13.4mmCase Material Stainless link steelDial Color YellowIndexes AppliedLume Yes LumiBriteWater Resistance 100 metersStrapBracelet Stainless steel link bracelet with three-fold clasp with secure lock amp push button release