This is a Citizen Eco-Drive Chronograph from the Primo Stingray 620 series.
Model/Case Reference: B620-S090334
Movement Caliber: B620 (Eco-Drive solar-powered, charges via any light source)
Aesthetics: Black ion-plated stainless steel case, a striking brushed rose gold/bronze-tone tachymeter bezel, a black multi-dial chronograph face with rose gold accents, and a black textured polyurethane/rubber sport strap with contrasting cream stitching.
Citizen Eco-Drive Mens Watch Chronograph Black Rubber Strap Rose Gold Bezel B620
Item Specifics (Fill these fields on eBay)
Brand: Citizen
Model: Citizen Eco-Drive Primo Stingray 620
Reference Number: B620-S090334 / GN-4-S
Department: Men
Movement: Quartz (Solar Powered / Eco-Drive Caliber B620)
Features: 1/5-Second Chronograph (measures up to 60 mins), 12/24-Hour Subdial, Date Indicator, Tachymeter, Luminous Hands & Hour Markers.
Case Size: 45 mm
Case Material: Stainless Steel (Black Ion-Plated)
Bezel Color: Rose Gold / Bronze
Dial Color: Black with Rose Gold Accents
Band/Strap: Two-Piece Polyurethane/Rubber Sport Strap (Black with Cream contrast stitching)
Water Resistance: 100 m (10 ATM / WR 100)