K1 Nautilus introduces the upgraded, noise-free engraved version with an original-style movement. The best value among integrated-movement models on the market. Detailed explanation of the upgrades: 1. The upgraded movement is finely engraved throughout, with clear, wear-resistant lettering and textures refined to the utmost. 2. The upgraded automatic rotor uses Swiss ultra-precision bearings and a rotor installation technique unprecedented in the industry. Achieves 100% noise reduction. 3. Original-style movement, with no dummy bridges, no dummy balance wheel, and no dummy rubies. K1 factory has fully replicated the discontinued, high-quality 324SC movement measuring 3.3 mm thick. 4.. The upgraded dial markers have ultra-bright lume, with harmonious, uniform brightness throughout. 5. The classic Nautilus blue dial has now been improved to match the color of the genuine watch, far surpassing other factories in dial details and workmanship. 6. The date window on every watch is aligned horizontally, with no skewing or obstruction. 7. The smoothness of the crown's adjustment positions has been repeatedly fine-tuned to the optimal state, giving the upgraded watch a smooth feel when setting the time and winding. 8. The overall watch thickness has been upgraded to 8.3 mm, successfully making it the thinnest mechanical watch available online, matching the original thickness. Exceptionally comfortable to wear. 9. Special emphasis: the 324Sc movement's date is adjusted clockwise, meaning from top to bottom. Please note this distinguishing feature, which matches the genuine watch. 10. When setting the time, pull the crown out to the second position. The central seconds hand does not stop, also matching the genuine watch. K1 factory's Elite 5711 Nautilus, upgraded noise-free engraved version with an original-style movement.

K1 Nautilus introduces the upgraded original-style movement, noise-free engraved version. The best value among integrated-movement models on the market. Detailed explanation of the upgrades: 1. The upgraded movement features finely engraved lettering throughout, clear and resistant to wear, with texturing executed to the highest standard. 2. Upgraded automatic rotor, using Swiss ultra-precision bearings and an industry-unprecedented rotor installation process. Achieves 100% noise reduction. 3. Original-style movement, with no dummy bridges, no dummy balance wheel, and no dummy rubies. K1 Factory has fully replicated the out-of-production, high-quality 3.3 mm 324SC movement. 4. Upgraded dial markers with exceptionally bright lume, delivering harmonious, consistent brightness throughout. 5. The classic Nautilus blue dial now has an improved color matching the genuine watch, outperforming other factories in dial details and craftsmanship. 6. The date window on every watch is horizontally aligned, with no tilting or obstruction. 7. The smoothness of the crown's adjustment positions has been repeatedly fine-tuned to the optimum state, making time setting and winding on the upgraded watch smooth to the touch. 8. Overall watch thickness has been upgraded to 8.3 mm, perfectly achieving the thinnest mechanical watch available online, equal to the original thickness. Exceptionally comfortable to wear. 9. Special emphasis: The 324Sc movement's date is adjusted clockwise, meaning from top to bottom. Pay attention to this distinguishing feature, which matches the genuine watch. 10. When setting the time, pull the crown out to the second position. The central sweep seconds hand does not stop, also matching the genuine watch. K1 Factory's Patek Philippe 5711 Nautilus, upgraded original-style movement, noise-free engraved version.

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Free delivery to the USA, the UK and Europe. Delivery takes 5–7 days to the USA and the UK. Returns are accepted within 14 days of delivery.