2025 New Blancpain Fifty Fathoms 5100 Series .Official Size: 38mm .High-tech satin finish, bright and glossy .High hardness, colorfast, stain-resistant, and resistant to wear .Case and bezel are perfectly matched with strong three-dimensionality .Never fades, smooth to the touch, and skin-friendly .Crown and pushers are precisely engraved with impeccable craftsmanship .Buckle: satin finish, both inside and outside of the buckle are meticulously polished .The prong of the buckle features multi-faceted chamfering for perfect reproduction of genuine details .Movement: utilizes the 9015 movement modified to Cal.1153 .The color of the bridge and jewel bearings matches the original, achieving a true pure hue .The bridge is designed to avoid an obvious fake appearance .Integrated bridge not only closely resembles the original but also offers better protection for the movement with more stable quality .The bridge is polished before chamfering to painstakingly prevent copper shavings from falling into the movement, which could cause it to stop .Dial: calendar size matches perfectly .100% Swiss-imported C3 luminescence with lasting brightness that rivals the original .Water Resistance: 100% tested for three degrees of waterproofness before leaving the factory