Case: 41mm Lug to lug: 48 mm Lug Width: 20 mm Case Material: 316L surgical grade stainless steel Case thickness: 12.00 mm Crown: 5.5 mm screw down crown Crystal: Sapphire glass with inner layer anti-reflective (AR) coating Water resistance: rating to 300 meters, 1000 feet or 30 ATM Movement: Swiss ETA 2824 automatic movement Frequency: 28,800 vibrations per hour Lume: Swiss Superluminova BGW9 Bezel insert: Ceramic with lumed markers, numbers and pip Bracelet: 316 L stainless solid link bracelet with deployant clasp Case back: Embossed design Watch markers: Applied fully lumed custom markers Warranty: Two-year warranty Inspired by one of the most picturesque dives that the ZENEA watches founder Jason Hutton has ever been on. The Japanese Gardens reef is found off the tiny island of Koh Tao in South Thailand. The robust blue of the Japanese Gardens Blue Ula Diver creates an aura of serenity and tranquility with a splash of playfulness within its deep blue dial/bezel combination. Complimentary leather quick release strap included with each watch.