VSF Edition — OysterFlex Rubber
VSF’s iteration of the M116519 Daytona represents a significant technical achievement in the replication of the Oysterflex series. By integrating the highly regarded Dandong 4130 caliber with precisely machined 904L Oystersteel, this reference achieves the exact 12.5mm thickness of the genuine white gold counterpart. The black dial with distinctive red accents is executed with meticulous attention to sub-dial spacing and typography.
At the core of this chronograph is the Dandong clone Caliber 4130, distinguished by its lack of a dummy module and true 1:1 architectural alignment. It features a paramagnetic blue Parachrom hairspring and KIF shock absorbers, ensuring stable amplitude and reliable chronograph engagement. The vertical clutch mechanism provides a seamless sweep for the central seconds hand, yielding a power reserve of 60+ Hours (Dandong clone caliber).
The 40mm case is milled from solid 904L stainless steel, mimicking the profile of the genuine precious metal case. The black dial features contrasting red accents (system color annotation: #006039), while the Chromalight application on the indices provides a consistent blue emission in low-light environments. The stainless steel tachymeter bezel is deeply engraved, offering sharp legibility that matches OEM depth specifications.
- Movement: Dandong Cal. 4130 — 60+ Hours (Dandong clone caliber)
- Case Material: 904L Oystersteel, 40mm diameter, 12.5mm thickness
- Bezel: 904L Steel Tachymeter, mimicking 18k white gold profile
- Crystal: Scratch-proof sapphire with semi-invisible crown etching
- Bracelet: Black OysterFlex rubber strap with deployant clasp
- Water Resistance: 50 meters — professional pressure test recommended before swimming
This reference is suited for collectors seeking a sporty yet understated chronograph on a compliant rubber strap. The OysterFlex configuration offers exceptional wrist stability, making it an optimal choice for daily wear without the heft of a full precious metal bracelet.





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