■ Brand: SEIKO (Seiko) ■ Product Name: Prospex Marine Master Professional ■ Model Number: SBBN047 ■ Material: Titanium/TI x Ceramic/CE ■ Dial: Black ■ Movement: Quartz ■ Case: Diameter 49mm (excluding crown) ■ Total Weight: 119g ■ Accessories: Outer box / Instruction manual / Warranty card (issued by a domestic authorized dealer, dated May 2024) I tried it on, but it doesn't suit me. ■ Model Information: Professional divers watch "Marine Master Professional". In 1975, it boasted a water resistance of 1,000m thanks to the world's first "outer shell protector" one-piece structure. This is a day-date model equipped with a quartz movement. It features sapphire glass, a unidirectional rotating bezel, and the case is made of pure titanium and ceramic with a hard coating. It's a perfect timepiece for outdoor scenes.