The Patina and Plexi Vintage Movement Triage Protocol Patina and Plexi Executive Summary: A watch ticking does not mean a watch is healthy. Running a dry, unlubricated vintage caliber will permanently destroy the pivots and ruby jewels. Triage relies entirely on Timegrapher data: an amplitude below 200° or a beat error exceeding 1.0ms indicates immediate…
The Patina and Plexi Omega Speedmaster 145.022 Protocol Patina and Plexi Executive Summary: The Omega Speedmaster 145.022 is where Omega transitioned from the legendary Calibre 321 to the cam-actuated 861. It is a minefield for collectors. Pristine “Transitional” models (1968-1969) trade between £5,500 and £7,500. Knowing what you are buying comes down to two…
The Patina and Plexi Seiko 6159-7001 Protocol Patina and Plexi Executive Summary: Released in 1968, the Seiko 6159-7001 is a 300m professional diver defined by its front-loading monobloc case and the 36,000 bph Caliber 6159A movement. Current market valuations range from £5,000 for worn examples up to £9,000+ for pristine originals. Buyers must verify the…
