N1F Edition — Nylon Fabric Strap
The N1F release of the Speedmaster Dark Side of the Moon (DSOTM) reference 311.92.44.51.01.005 represents a significant technical milestone in replica horology. Moving away from PVD-coated steel, this edition utilizes a solid block of Zirconium Oxide (ZrO2) ceramic, achieving the correct material density and scratch resistance. Forum consensus has highlighted this specific build for its accurate 107g weight profile and the precise laser-engraved tachymeter scale.
At the core of this replica is the highly sought-after Calibre 9300 Clone movement. Unlike standard 7750 modifications that rely on faux subdials or compromised spacing, this mechanism supports a fully functional chronograph with the correct stacked 12-hour and 60-minute hands at the 3 o’clock position. The movement is regulated to a high-beat 28,800vph for optimal sweeping stability and yields a power reserve of Approximately 36 hours.
Measuring 44.25mm in diameter with a case thickness of 17.8mm, the watch commands a substantial presence. The dial itself is crafted from genuine ZrO2 ceramic, complete with the correct chemical engraving above the center pinion, delivering a deep black gloss that directly matches the genuine Co-Axial Master Chronometer counterpart. A box-form sapphire crystal with dual AR coating ensures maximum legibility under harsh lighting.
- Movement: Calibre 9300 Clone — Approximately 36 hours
- Case Material: Solid Black Ceramic (ZrO2), 44.25mm diameter, 17.8mm thickness, 107g
- Bezel: Polished Ceramic Insert with laser-engraved tachymeter
- Crystal: Box-Form Sapphire with Dual AR Coating
- Bracelet: Nylon Fabric Strap with ceramic tang hardware
- Water Resistance: 50m Stated — professional pressure test recommended before swimming
This piece is designed for the collector who prioritizes advanced material science and complex movement architecture over ultra-thin profiles. Its robust ceramic construction makes it an ideal daily wearer that resists the micro-abrasions typically associated with standard steel sports watches.


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