This is a TRIWA ✖️ SKULTUNA watch, limited to 400 pieces worldwide. It features a rare green and gold color scheme that you won't see often. The back has a serial number and a skeleton design, giving it a great atmosphere. This collaboration between Swedish brand "TRIWA" and the royal warrant brass brand resulted in a limited edition of 400 watches. If you're interested, please consider it. This is a collaboration watch from TRIWA with "SKULTUNA," a brass brand with a 400-year history. It's a rare item, limited to 400 pieces worldwide, allowing you to enjoy the beautiful aging of brass. Two brands from Stockholm, Sweden, have collaborated. This special model was born from tradition and innovation. By using SKULTUNA brass for the case, it achieves a matte texture that cannot be replicated with other materials, and you can enjoy the changes in texture over time. The movement uses an automatic mechanism, and you can enjoy the movement of the gears unique to mechanical watches through the see-through back. Note: Only the watch itself is included. It's in good condition, but please refrain from purchasing if you are not used to used items or are very sensitive. Shipping is generally on Tuesdays. Keywords: Masaki Suda, Nana Komatsu, Reverse Weave, Run Tag, Vintage, Champion, Made in USA, Street, American, Euro style, Work style, Vintage, Riders, Lewis Leathers, Schott, Vanson, Honda, YAMAHA, Yellow Corn, Levi's, LEE, Wrangler, Classic cars, Motorcycles, 506, 507, 557, 70505, 101, 501, 502, 505, 517, 646, Red ear, 66 Pre-war, Post-war, Big E, XX, Korean wave, Blue Bell, Unisex, 50s, 60s, 70s, 80s, 90s, 00s, Cafe racer, Harley, Derby jacket, Sears, Numbering, Military items, Military, WWII, Czech army, German army, British army, Michigan color, College, American football, Vintage, Unisex, Pre-dyed 501-0658, Post-dyed, Beautiful Life, Takuya Kimura, Rock, Band T-shirts, Flight Master, Flight Timer, Speedmaster, Vintage, Parody, Homage, Relax, Relux Color: Gold系 (Gold)