Sinn — 903
903 St B E II Navigation Chronograph
Produced 2024–present. The 903.091 is the dark-blue-dial variant of Sinn's second-generation 903 St Navigation Chronograph, released alongside the black 903.090 in 2024. It shares the same 41mm steel case, slide-rule bezel and La…
Open in The Dial Atlas
Reference903.091
BrandSinn
Family903
Produced2024–present
StatusIn production
Full reference dossier
Specifications, configurations, image gallery, market listings, lineage and notable appearances are part of the full reference.