VSF Edition — 904L Oyster Bracelet
This VSF release of the 116509-78599 Daytona introduces a weighted 181.5g profile, bridging the tactile gap between standard steel replicas and the genuine solid white gold reference. It remains a highly discussed benchmark on RWI for its precise 12mm case thickness and accurate pusher feedback.
Driven by the Dandong Calibre 4130 clone, this movement features a paramagnetic blue Parachrom hairspring and KIF shock absorbers. It delivers a fully functional chronograph with a column-wheel architecture, distinguishing itself with long-term reliability and crisp engagement.
Machined from 904L Oystersteel, the 40mm case integrates seamlessly with the fixed engraved bezel. The dial execution includes sharp sub-dial concentric texturing, correct Chromalight lume application, and highly accurate dial color rendering under varied lighting.
- Movement: Dandong Calibre 4130 — 60+ Hours (Dandong clone caliber)
- Case Material: 904L Oystersteel (Weighted), 40mm diameter, 181.5g
- Bezel: 904L steel with platinum-plated tachymetric scale
- Crystal: Scratch-resistant sapphire with inner AR coating
- Bracelet: 904L Oyster with Oysterlock safety clasp and Easylink
- Water Resistance: 50 meters — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
This reference suits collectors seeking the heft of precious metal without the associated premium. Its versatile profile handles both formal and casual settings with understated mechanical presence.

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