Founded in 2005 by Jordy Cobelens and his father, Ton Cobelens, The brands name meaning is The Watch in Steel. TW Steel is well-known for their oversized watches and use of distinctive styling. This timepiece features a mother of pearl dial. Case: Polished stainless steel Caseback: Stainless steel, screw-down Bezel: Stainless steel, set with zirconia's diamonds Dial: Mother of pearl Hands: Black, luminescent Markers: Black Arabic numerals and indices Calendar: Date display window between the 4 and 5 o'clock position Subdials: Three, small seconds at the 6 o'clock position, 24 hour time display at the 3 o'clock position and a chronograph 60 minute counter at the 9 o'clock position Tachymeter scale displayed around the flange Strap: White leather Clasp: Pin buckle Crystal: Sapphire Crown: Push/pull Movement: Quartz Water resistance: 10 ATM/100 meters/330 feet Case measurements: 45 mm in diameter x 15 mm thick Strap measurements: 22 mm wide x 8 inches long Box measurements: 4 inches wide x 5 inches long x 3 inches high Model: TW54 All measurements are approximate and may vary slightly from the listed dimensions. Men's watch bands can be sized to fit 7.5-inch to 8.5-inch wrists. Color: Silver. Gender: Male. Age Group: Adult.