Earl Model: G0A380 Series: POLO Style: Automatic Machinery, 43 mm, Men's Material: 18k Rose Gold Movement Manufacturer: Earl Movement Type: Automatic Machinery Movement Diameter: 24.6 mm Movement Thickness: 3.5 mm Frequency: 21600 oscillating hours Number of stones: 26 Parts: 211 Power Reserve: 40 hours Description: central display hours and seconds, independent date and week display window, instant day and week device, date and week adjustment device, Precision time-to-time fine-tuning device Appearance diameter: 43 mm case thickness: 11 mm case material: 18k rose gold.