DIWF Edition — Nylon Velcro Strap
The DIWF Rolex Daytona IRBIS represents a highly specialized niche in replica horology, focusing on aftermarket custom modifications rather than standard factory references. This piece successfully replicates the proprietary quartz fiber composite case and monochromatic aesthetic of the genuine DiW custom, achieving the ultra-lightweight profile demanded by collectors.
Powered by the established 4130 clone caliber, this movement features a fully functional column wheel and vertical clutch architecture. Unlike standard 7750-based modifications, this caliber ensures correct sub-dial spacing and reliable chronograph engagement. Power reserve is rated at approximately 36 hours.
The 41mm case, bezel, and caseback are machined entirely from quartz fiber, offering high tensile strength and a unique striated visual texture. The monochromatic IRBIS dial features precise sub-dial printing, highlighted by custom dark accents, while the hand-chamfered edges match the bespoke finishing of the genuine modification.
- Movement: 4130 Clone Chronograph — Approximately 36 hours
- Case Material: Quartz Fiber Composite, 41mm diameter, ~48mm lug-to-lug, ~55g weight
- Bezel: Quartz Fiber fixed tachymeter, matte striated finish
- Crystal: Sapphire with colorless anti-reflective coating
- Bracelet: Tactical nylon velcro strap with fabric closure
- Water Resistance: 30m stated — professional pressure test recommended before swimming
This reference appeals to collectors who already own standard Oystersteel Daytonas and seek an avant-garde, ultra-lightweight alternative. Its highly specific aesthetic and composite construction make it a specialized motorsport piece rather than a daily office wearer.

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