This Zenith Pilot Montre d'Aeronef Type 20 Annual Calendar 03.2430.4054/21.C721 Leather Bracelet (wrist size: inches) Stainless Steel Bezel (case size: 48.00 mm) Black Dial men watch is in Excellent condition. The watch has a(n) Automatic movement. The crystal is Sapphire. Additional Notes: This timepiece is in overall excellent pre-owned condition with only a few faint scuffs on the case. Leather strap is an aftermarket replacement, but buckle is genuine/original to watch. Powered by Zenith's El Primero Caliber 4054 self-winding mechanical movement which contains 29 jewels and has an approximate power reserve of 50 hours. Comes with original Zenith box and papers. Most importantly, this watch is located at our facility, is Crown & Caliber Certified Authentic, has undergone any necessary service, and comes backed by our 1-year warranty. Prior to shipment, the watch will undergo a final quality control check to ensure it is functioning as intended. If you have questions about this watch, give us a call at [+1] (855) 768-6468 and mention reference code: 10-10-ZEN-6QA158