Vintage
Explore the rare Breitling ref. 817 CP-1 E.I., a military-issued chronograph for Italian Army helicopter pilots. Discover its unique features, Valjoux 236 movement, and collector appeal.
32 replies7251 views
Collection
HSTE showcases his military CP-1 and CP-2 watch collection, comparing Heuers, Breitling 817, Leonidas, and Zenith models, with community additions like Universal Geneve Cairelli CP-2.
36 replies6627 views
Community
Meet HSTE, WatchProSite's 'Purist of the Month,' a vintage watch collector sharing insights into his disciplined collection and passion for horological history.
44 replies13118 views
Review
Amanico reviews the Zenith CP PuristS' 15th Anniversary "Cronometro," detailing its design, wearability, and historical military pilot chronograph inspiration.
40 replies6852 views
Discussion
KMII explores the future of military watches: Are modern G-Shocks replacing collectible mechanical timepieces, or will new 'drool-worthy' military watches emerge?
42 replies6406 views
Collection
HSTE celebrates Helmut Sinn's 101st anniversary with his Sinn watch collection, including the Sinn 101 and U2C. Discover modern tool watches and vintage pieces.
23 replies3628 views
hi Nico thanks for the good pictures
I have had the normal version in the past which I liked but never understood the reguliert version: is that a normal movement that was more finely adjusted ? is the value difference justified ?
If you’re able to understand German:
Sternzeit reguliert" bezieht sich auf eine Zeitmessung, die auf der Erdrotation relativ zu den Sternen basiert, auch bekannt als siderische Zeit. Eine Uhr mit der Bezeichnung "Sternzeit reguliert" ist speziell für diese Zeitmessung eingestellt und wurde h...
That really is a stunning looking Heuer Bund Sternzeit Reguliert.
I had no idea about the difference between this watch and a normal Heuer Bund but Google to the rescue and I discovered this unlike its aviation focused brother was meant for the artillery core and runs on Sidereal time. Apparently Sternzeit Reguliert mea...
