Panerai, model: RADIOMIR, PAM00380, manual movement, stainless steel 45MM • Dial: Black retro dial, Black Seal LOGO, small seconds dial at 9 o 'clock, retro Arabic luminous hour markers, Panerai retro square old LOGO; Vintage aged stitched cowhide watch strap • Movement: P.3000 manual winding movement, 72-hour power reserve, water-resistant to 100 meters • Thickness: Approximately 12.8mm, much thinner than the Luminor series as a whole, and the wearing pressure feels lower Radiomir, the original representative model of Panerai, has an earlier history than Luminor. It lacks a thick bridge guard, features a rounded cushion-shaped case, and exudes a retro style of World War II military watches. The Black Seal is the classic version of this series, featuring a retro, artistic and workwear style. It is suitable for casual and retro outfits and does not lean towards professional diving.