VSF Edition — OysterFlex Rubber Strap
The VSF iteration of the Daytona M116515LN represents a significant technical milestone, achieving an exact 11.8mm case thickness that aligns perfectly with genuine specifications. By utilizing the highly regarded Dandong architecture, this release directly challenges established benchmarks in the replica chronograph sector while maintaining a precision-machined 904L steel core.
At its core operates the Dandong 4130 clone caliber, an automatic chronograph movement featuring a true column wheel and vertical clutch mechanism. This ensures smooth pusher actuation and eliminates the seconds-hand stutter found in modified 7750 movements, delivering a robust 60+ Hours (Dandong clone caliber) power reserve.
The case is machined from 904L Oystersteel and treated with an 18K rose gold PVD coating, framing a deep black dial with subtle chocolate and rose gold sub-dial accents. The transition between the Cerachrom ceramic bezel and the sapphire crystal is notably flush, demonstrating VSF’s refined assembly tolerances and crystal clarity.
- Movement: Dandong Caliber 4130 Clone — 60+ Hours (Dandong clone caliber)
- Case Material: 904L Oystersteel (18K Rose Gold Plated), 40mm diameter, 46.5mm lug-to-lug, 110.1g
- Bezel: Black Cerachrom ceramic with platinum-dusted engraved tachymetric scale
- Crystal: Scratch-resistant sapphire with colorless anti-reflective coating
- Bracelet: OysterFlex rubber with internal titanium-nickel alloy blades, Oysterlock clasp
- Water Resistance: 50 meters — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
This piece appeals to the horological enthusiast seeking the distinct aesthetic of a precious metal Daytona on rubber, acknowledging the inherent weight difference of a steel-core construction.



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