Citizen Eco-Drive yachting. has some minor blemishes on glass and bezel but still in excellent condition. excellent operating condition. the rubber band is also in excellent condition and very comfortable! no box but securely shipped! The Citizen Promaster Chronograph, model JR4046-03E, also known by its case number C660-S067634. This watch is part of the Eco-Drive Promaster collection, known for its analog-digital display and yacht-racing features. Watch Information Brand: Citizen Model: Promaster Chronograph JR4046-03E Movement: Eco-Drive (solar-powered, never requires a battery change) Case Material: Gold-tone plated stainless steel Strap Material: Black rubber/polyurethane strap Water Resistance: 200 meters (660 feet) Features: World time (30 cities), 1/100 second chronograph, race timer, countdown timer, and a full auto calendar.