Condition Rank : Good (Full serviced on Jan 27, 2026) [Description of services] Full disassembly, cleaning, inspection, lubrication, and assembly. [Features] Ref:1603 / cal.1560 (no hack) / 18000bph / 36mm case (excluding crown) / 20mm lug / Rare Bamboo Dial / Butterfly Rotor / Patina Dial Accuracy -8~+3 sec/day Year of manufacture : c1960 Serial No. : unknown Non-waterproof It is not possible to describe all of the conditions in writing. Please check the photos carefully if you would like to know more about the condition. Also, if you have any questions, please ask. [Dial] : Patina A cool patina dial. It remains in original condition. [Hands] : Good [Crystal] : Very Good Plexiglass [Case, crown and back of the case] : Good Crown screw-in is very good. (2.0 turn of crown to unlock) The serial number engraving is unreadable. The case corrosion makes it unreadable. (For this reason, it is not eligible for Chrono24's Partner Certified program. However, it is of course an authentic piece in original condition.) The 1603 engraving is barely readable. [Band] :New (Leather straps, not genuine) [Action] : Very Good It runs well by Hand-winding and Automatic. We've seen it run for long hours. The winding of the crown is very good. [Accuracy] : Very Good The day difference time is about -8~+3 sec / day. (Measured by Timegraphers) The accuracy may vary depending on the posture. This is a vintage watch, so do not expect the same accuracy as a quartz watch. If you are looking for perfect accuracy, please do not buy.