Omega Speedmaster Racing Chronograph Automatic Watch Modified Cal.9900 Movement

OMEGA Speedmaster Racing Master Chronograph Watch This iconic Speedmaster racing chronograph inherits the classic Moonwatch racing design, perfectly blending racing sport aesthetics and premium watchmaking craft, a must-have collectible mechanical timepiece for watch enthusiasts. Core Craft & Material Advantages 1. Hardened AISI316L Stainless Steel CaseThe whole watch case is forged from imported AISI316L special steel with hardening treatment, hardness up to 240HV. Delicate uniform brushed texture without pores, identical texture and hand feel as the original version, scratch-resistant and durable for long-term daily wear. 2. Curved Dome Sapphire Crystal GlassAdopts high-transmittance arched sapphire crystal with anti-glare coating. The curved structure fully highlights the layered beauty of the dial, scratch-proof and wear-resistant, effectively blocking daily scratches. 3. High-Grade Dial & Super Luminous CoatingMatte dial matched with platinum-plated hour markers. Imported high-density luminous powder is applied on all hands and indexes, delivering bright clear readability in dark environments at night. Multiple dial colors (deep blue, silver, white) available for selection. 4. Modified Cal.9900 Chronograph MovementBuilt on 7750 base movement, upgraded to simulate OMEGA Cal.9900 chronograph core. Stable chronograph timing function, smooth operation of hour/minute/second sub-dials, accurate timekeeping and long service life. 5. Interchangeable Strap & Bezel DesignComes with matching polished stainless steel bracelet and soft imported cowhide leather strap. The ceramic bezel and straps are fully interchangeable same as original specs, switch sport or vintage style freely according to occasions. Product Specs • Series: OMEGA Speedmaster Racing Moonwatch • Movement: Modified Cal.9900 Automatic Chronograph Movement (7750 Base) • Case Material: Hardened AISI316L Stainless Steel (240HV Hardness) • Glass: Arched Anti-Glare Sapphire Crystal • Features: Chronograph Timing, Super Luminous, Date Display, Tachymeter Bezel • Strap Options: Solid Steel Bracelet / Genuine Cowhide Leather Strap • Dial Colors: Dark Blue, Silver Gray, Pure White • Style: Racing Sports, Daily Wear, Watch Collection