Corum Bubble 44mm Yellow Dial Swiss Quartz Watch 163.150.20urn heads with an icon of modern horological design—the Corum Bubble "Boutique" Edition (Ref. 163.150.20). Famous for its towering, thick double-domed sapphire crystal, this 44mm stainless steel timepiece distorts and magnifies the dial in a mesmerizing optical effect.The vivid ocher-yellow dial features bold, stylized silver-tone Arabic numerals at 3, 9, and 12, intense green luminescent hour markers, and a date display at 6 o'clock with a integrated magnifying lens. Fitted with a rubber-backed alligator-embossed yellow leather strap and secured by Corum’s signature dual push-button deployment clasp, this Swiss-made luxury statement watch comes accompanied by its original Corum presentation display box. Brand: Corum Model: Bubble "Boutique" Edition Reference Number: 163.150.20 Serial Number: 649320Strap/Band: Material: Alligator-Embossed Yellow Leather with Black Rubber/Leather Protective Backing Width: 22 mm at Lugs Length: Fits up to approx. 6.75" wrist circumference Clasp: Stainless Steel Dual-Folding Deployment Clasp with Push-Button Release (Signed CORUM) Dial: Material/Color: Ocher / Bright Yellow Markers: Stylized Silver-Tone Arabic Numerals (12, 3, 9) and Round Luminous Dots Lume: Strong Green Super-LumiNova Hands and Hour Dots Function: Hours, Minutes, Central Sweep Seconds, and Date Window at 6 o'clock Bezel: Fixed Polished Stainless Steel Crystal: Extreme High-Dome "Bubble" Sapphire Crystal, Scratch-Resistant Case Size: 44 mm (20 mm thickness including domed crystal) Case Back: Solid Stainless Steel Crown: Oversized Rubber-Grip Ball Crown Movement: Swiss Quartz (Battery Operated) Total Weight: 128.7 grams Water Resistance: 50 Meters / 5 ATM Accompanied By: Original Navy Blue Corum Presentation Travel Box (Note: Watch pillow missing; interior lining displays typical age flaking) Condition Report: Very good pre-owned condition; Swiss quartz movement is running perfectly and keeping precise time. Domed sapphire crystal is pristine, flawless, and free of scratches, chips, or fleabites. Yellow "Boutique" dial is immaculate; green luminescent hands and dot markers charge quickly and glow brightly. Polished stainless steel case displays light hairline micro-scratches and minor surface swirl marks consistent with normal wear; free of deep dents or dings. Yellow leather strap is clean with normal creasing near the adjustment holes; signed steel deployment clasp functions smoothly and locks firmly.