Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Price on request Gmtbroker Reference: 6660-1127a-55b Blancpain 6660-1127a-55b Complete Details: This watch features: Polished stainless steel case. White with stylized applied steel Roman Numeral hour markers. Elegant steel leaf shaped skeletonized hour & minute hands. Complications: GMT/Dual Time Zone sub-dial located at the 12 o'clock position. Most GMT watches have the hour hands of both the Main-Time & the GMT-Time zone fixed to move in a synchronized manor. This watch has the capability of setting the 2nd time zone at half hour differences for those who live in time zones where the time differs by 30 minutes. Changing between 1/2 hour & complete hour time zones is accomplished using the crown when pulled out to the middle position. The middle position is where one can change either the date or the half-time zone features - by pushing the button located in the center of the crown and is indicated by a small hand located to the bottom right of the main dial noted "T" for time or "D" for date. AM/PM sub-dial indicator located at the 9 o'clock position. Date window located at the 6 o'clock position Blancpain Caliber 5254DF, composed of 321 components, contains 28 jewels & has a power reserve of 72 hours. Featured Complications: GMT Time Zone This watch is also known as 66601127a55b, 6660-1127-55b, 6660112755b