The Key Variations Between The 3 Movement Include The Following

Movement Japanese Movement Level Swiss Movement Grade A Swiss Movement Clone AAA+
Time Precision COSC certified accuracy -8 to +8 seconds per day COSC certified, -5 to +6 seconds per day COSC certified, extremely precise -2 to +3 seconds per day
Stainless Steel Type 316L Stainless Steel 904L Stainless Steel 904L Stainless Steel
Crystal Sapphire Crystal Sapphire Crystal Genuine Sapphire Crystal
Manufacturer Produced by a reputable second-tier replica watch factory Manufactured by top-level first-tier replica watch factory Created by one of the top 10 replica watch producers
Logo & Markings About 90% accurate across entire watch Exact logo and markings Features finely laser-etched logos
Dial Approximately 90% identical in font and detail Exact replication of dial detail and font Fully authentic and accurate dial elements
Water Resistance Tested up to 30m, not suitable for diving Tested up to 100m, not recommended for diving Waterproof rating matches official model
Life Expectancy 3 to 5 years Lifetime usage expected Guaranteed lifetime durability
Warranty 3 years Up to 5 years 2 years

The three key distinctions lie in the movement, dial, and strap. Higher-quality versions feature superior movements, more precise dials, and outstanding water resistance.

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Genuine Swiss movement (sourced directly from Switzerland)
Consistent movement – precise, durable, and dependable

Each movement is certified by the Swiss Official Chronometer Testing Institute (COSC), guaranteeing exceptional performance that satisfies rigorous criteria for accuracy, reliability, resistance to shocks, and winding efficiency, while also being easy to service.

Stable balance wheel – This large balance wheel includes a finely crafted gold adjustment nut to ensure accurate tuning and smooth, stable operation of the mechanism.

Rolex end-coil hairspring – The outer coil of the hairspring is bent inward to counteract gravitational influences on the center of mass. This design enables the balance wheel and hairspring to oscillate in perfect balance and concentricity (isochronism), improving timekeeping precision regardless of the watch’s position.

Exquisite finishing – Only our certified watchmakers, each with over ten years of expertise, use specialized tools to inspect these continuously moving calibers, which receive meticulous finishing. Pressure plates and gears are decorated with circular graining, bridges are polished or decorated with circular graining or snail patterns, screw heads are mirror polished, and all edges are carefully beveled and polished.

Let me know if you want it adjusted for tone or length!

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Water Resistance Capable of withstanding diving depths up to 300 meters underwater

The Oyster watch is equipped with a hermetically sealed Oyster case – The original Oyster case design includes a triangular notched outer ring that screws securely into the middle case using a specialized Rolex tool. Over time, this case construction has been enhanced to improve durability and dependability. This engineering advancement also enabled incorporation of a rotating bezel, a crucial feature for diving timepieces.

Screw-down caseback featuring Rolex’s signature triangular notch pattern – The Oyster caseback is firmly screwed into the middle case, ensuring complete sealing. The unique triangular pattern on the back pays homage to the 1926 Oyster model, and assembly of the movement inside requires specific tools accessible only to authorized Rolex watchmakers.

Material – Oyster Steel – Rolex employs its exclusive Oyster steel, a type of 904L stainless steel known for outstanding corrosion resistance and a brilliant polished finish. This 904L steel grade is also utilized extensively in aerospace, chemical processing, and other advanced industries, offering corrosion resistance on par with many precious metals.

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Strap

The strap incorporates Rolex’s signature double extension system, crafted from durable Oyster steel. Equipped with the Rolex Glidelock clasp, it enables divers to effortlessly adjust the length of the bracelet by up to 20 mm in 2 mm increments, ensuring a comfortable and secure fit even over diving suits.