The Alba AL4391X is an automatic men's watch from the Sportive/Mechanical series, known for its green dial and robust stainless steel construction. 

• Movement Type: Japan Automatic (Mechanical), Calibre No. Y676-X061
• Case Material: Stainless Steel (silver-tone)
• Case Size: 41.5 mm diameter
• Case Thickness: 13.4 mm
• Case Back: Screw see-through case back
• Band Material: Stainless Steel bracelet/strap
• Dial Color: Green
• Glass Type: Mineral Crystal Glass (some sources refer to this as Hardlex crystal)
• Water Resistance: 100 meters (10 bar), suitable for swimming and snorkeling but not diving
• Functions: Hour, minute, second hands; day & date display
• Display: Analog
• Clasp: Folding clasp with double push-button release