Strength with Style The Submariner remains an enduring symbol of technical mastery and refined design, a watch that has accompanied explorers and professionals for decades. This 40mm model reflects that tradition, combining robust engineering with a distinctive aesthetic. Its Oystersteel and yellow gold construction, paired with a blue dial, creates a harmonious balance of strength and sophistication. Technical Assurance Powered by the calibre 3135 with a 48-hour power reserve, this reference features a rotatable 60-minute bezel and Glidelock clasp for security. The sapphire crystal ensures lasting protection.