QF Factory Edition — Presidential Bracelet
The QF Factory iteration of the Day-Date 40 Ref. 228239 represents a significant structural shift in replica manufacturing, utilizing a high-density tungsten alloy core. By achieving a total mass of 184.8 grams, this piece successfully bridges the tactile gap between standard 904L Oystersteel replicas and the solid 18k white gold genuine article. This specific weight profile has established QF as a benchmark for collectors prioritizing authentic on-wrist heft without compromising external case geometry.
Operating within this weighted chassis is the Clone 3255 automatic caliber. Unlike base ETA modifications, this movement features the correct bridge architecture and replicates the instantaneous day and date jump at midnight. Power reserve is rated at approximately 36 hours, and the mechanism incorporates upgraded shock absorbers to handle the increased kinetic mass of the heavier case.
The exterior utilizes 904L stainless steel for the outer layers, maintaining superior corrosion resistance while concealing the tungsten core. The dial presents a highly accurate dark grey sunburst finish, complemented by Chromalight indices that emit the correct blue glow. The fluted bezel is plated to simulate the warmer hue of white gold, creating the necessary visual contrast against the brushed steel bracelet links.
- Movement: Clone 3255 Automatic — Approximately 36 hours
- Case Material: 904L Steel with Tungsten Core, 40mm x 47.4mm x 12.5mm, ~185g
- Bezel: Fluted Steel, White Gold Plated
- Crystal: Scratch-proof Sapphire with 2.5x Cyclops and AR coating
- Bracelet: Presidential Bracelet with hidden Crownclasp
- Water Resistance: 30m — professional pressure test recommended before swimming. Do not operate chronograph pushers or the crown while the watch is submerged.
This model is engineered for the collector who finds standard steel replicas too light compared to precious metal genuine pieces. The added mass provides a convincing tactile experience suitable for regular professional wear.


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