| Grade | Genuine Watches | 5A Clone | 3A Replica | A Replica |
| The Movement | Original | Swiss | Japanese | Taiwan |
| Time Accuracy | -3/+5 sec (COSC Certified) | -5/+6 sec (COSC Certified) | ±10 sec (COSC Certified) | ±1–2 min (COSC Certified) |
| Stainless Steel Type | Brand-Exclusive (316L Steel/Titanium/Ceramic) | Advertised as “Identical” (Typically 316L + Plating) | 316L Steel or Mixed Alloys | Basic Stainless Steel/Alloys |
| Logo & Markings | Laser-Etched Branding | Sapphire with Correct Magnification | Sapphire Crystal | Mineral Glass |
| Dial | 100% Genuine Design | 1:1 Replication (Fonts/Details) | 90% Match to Original | 70% Similarity |
| Waterproof | Varies by Model (30m–300m) | Lab-Tested 300m | 30m Rated | Life waterproof |
| Life expectancy | Lifetime | Lifetime | 3-5 years | 1-2 years |
| Warranty | 2 Years | Up to 5 Years | Up to 3 Years | Up to 1 Years |
Features:
– Exclusive Cal.8900 Movement: Features the unique Cal.8900 movement, allowing for quick hour adjustment and date setting.
– Dual T Shock Absorber: Equipped with a dual T shock absorber and black balance wheel for enhanced durability.
– 43.5mm Case Size: Perfectly sized at 43.5mm, offering a robust yet comfortable fit.
– 316L Stainless Steel Construction: Crafted with high-quality 316L stainless steel for the case and bracelet.
– Unidirectional Rotating Bezel: Features a unidirectional rotating bezel for precise dive timing.
– Sapphire Crystal Glass: Protected by scratch-resistant sapphire crystal glass.
– Screw-Down Crown: Includes a screw-down crown for superior water resistance.
– Interchangeable Straps: Comes with a non-integrated stainless steel bracelet and a lightweight fluorine rubber strap.
– Dive Watch Functions: Includes essential dive watch features like luminous markers, deep water resistance, helium escape valve, and underwater timing.
– Comfortable Fit: Designed for a natural and comfortable fit on the wrist, enhancing the bond between the watch and the wearer.
Description:
Experience the OMEGA Seamaster 600 Blue Dial Steel Watch, a standout from the SeaMaster 600 series. This dive watch boasts the exclusive Cal.8900 movement, ensuring precision and functionality.













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