Persol 3048 - Titus Welliver - Bosch: Legacy
The glasses have a tortoise (Havana) color frame.
Buy Persol PO3048 glasses on Amazon ($252).
Note that this model is available in two sizes and several color combinations.
Bosch wears these Persol sunglasses in a few episodes of Bosch: Legacy, including Season 1, Episode 4 and Season 1, Episode 10.
Reference: Persol PO3048S 24-31