VSF Edition — Oysterflex Elastomer Strap
The VSF 126515LN represents a notable horological shift in replicating precious metal chronographs, primarily through its 137-gram tungsten-alloy core. By mimicking the density of solid 18K gold, this weighted edition resolves the tactile discrepancy that has historically compromised Everose replicas on elastomer straps.
At the heart of this reference is the highly regarded Dandong 4131 clone caliber, engineered with a true vertical clutch and column wheel architecture. This mechanism ensures crisp chronograph engagement without the seconds-hand stutter typical of modified ETA bases, while delivering a robust 60+ Hours (Dandong clone caliber) power reserve.
The 40mm case features a double-layer Everose PVD coating to accurately replicate the warm copper-gold tone of the genuine article. It frames a complex black and sundust dial, utilizing synthetic baguette and brilliant-cut markers that align precisely with strict quality benchmarks.
- Movement: Dandong 4131 Automatic Chronograph — 60+ Hours (Dandong clone caliber)
- Case Material: Tungsten-Steel Alloy with 18K Everose PVD, 40mm diameter, 46.5mm lug-to-lug, 137g weight
- Bezel: Black Cerachrom Ceramic with Everose PVD filled numerals
- Crystal: Scratch-resistant Sapphire with internal AR coating
- Bracelet: Oysterflex elastomer strap with Everose PVD Oysterlock clasp
- Water Resistance: 30m (Stated) — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
This weighted reference appeals to discerning collectors who require the specific on-wrist heft of a precious metal Daytona without the substantial financial exposure of the authentic piece.


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