115. 115Ω Zenith. A stainless steel automatic chronograph wristwatch with power reserve indication Model: El Primero Chronomaster Power Reserve Reference: 03 1260 4021 Date: Circa 2010 Movement: 39-jewel Cal.4021 automatic Dial: Black, applied polished Roman numeral hour markers, white outer 1/5th second divisions, subsidiary dial at 3 for 30 minute recording, power reserve indication at 6, aperture to movement at 9, polished pointed hands, centre chronograph hand Case: Polished round, exhibition back secured by 8 screws, crown flanked by twin pushers Strap/Bracelet: Zenith black faux alligator leather Buckle/Clasp: Signed double folding clasp Signed: Case, dial & movement Size: 45mm Movement: Runs when powered at time of cataloguing, chronograph function works well Dial: Good Hands: Good Glass: Small scratches throughout Case: Surface scratches throughout Strap/Bracelet: Good Buckle/Clasp: Surface scratches throughout We do not test any watches for their accuracy and as such timekeeping cannot be guaranteed. We advise that if you are bidding on a watch, that you or your agents are completely satisfied with the condition of the lot. We recommend that all watches are serviced after the sale as they are handled throughout the viewing period. Please note that although Bonhams endeavour to include reference to any replacement parts within our Condition Reports we cannot confirm that each individual element of the watch is original or that, if replaced, the replacement has been made using original manufacturer's parts.