VSF Edition — OysterFlex Rubber Strap
The VSF execution of the Daytona on an Oysterflex strap represents a pivotal moment in replica chronograph manufacturing, combining the highly coveted Dandong 4130 architecture with VSF’s industry-leading proprietary sapphire crystal. Collectors have long debated the merits of Clean Factory versus BTF for the Daytona, but VSF’s entry disrupts this duopoly by offering superior optical clarity out of the box, eliminating the need for aftermarket crystal modifications.
At the core of this reference is the Dandong Caliber 4130, a true 1:1 mechanical clone featuring a fully operational column wheel and vertical clutch system. It utilizes a paramagnetic blue Parachrom hairspring and KIF shock absorbers, mirroring the genuine Rolex architecture. This ensures a crisp, stutter-free chronograph sweep and a robust power reserve of 60+ Hours (Dandong clone caliber).
The 40mm case is machined from solid 904L Oystersteel, maintaining the precise 12.2mm thickness of the genuine article. The deep black dial is framed by a black ceramic bezel with platinum-dusted tachymeter engravings. The Oysterflex strap utilizes flexible internal metal blades over-molded with high-performance elastomer, securing via an Oysterlock safety clasp.
- Movement: Dandong Cal. 4130 — 60+ Hours (Dandong clone caliber)
- Case Material: 904L Oystersteel, 40mm diameter, 46.5mm lug-to-lug, ~110g
- Bezel: Black Cerachrom ceramic with platinum dust infill
- Crystal: Sapphire crystal with colorless anti-reflective coating
- Bracelet: Oysterflex rubber strap with 904L steel Oysterlock clasp
- Water Resistance: 50 meters — professional pressure test recommended before swimming
This reference serves the collector seeking a highly capable, sports-oriented chronograph with the tactile comfort of an elastomer strap. Its mechanical reliability and exact case dimensions make it a prime candidate for daily wear in varied environments.



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