Europe Size 19 to US: XS
Cross-market adult bracelet and cuff apparel conversion mapping 19 specifications into XS.

Analyzing Size Equivalence Across Markets
Europe Size 19: Corresponds to a wrist circumference baseline of 17.5 (6.9 ), bracelet length of 19.5 (7.7 ), and fit classification Standard / Regular.
US: XS: Corresponds to a wrist circumference baseline of 14 (5.5 ), bracelet length of 15 (5.9 ), and fit classification Snug / Compact.