Oris continues to shed a light on ocean conservation with its latest limited-edition timepiece, a new jaw-dropping Aquis GMT in solid 18K gold. The Carysfort Reef Limited Edition is the company's first timepiece in solid gold with a multi-piece 18K yellow gold 43.5mm case and a rotating, two-tone GMT ceramic bezel. The movement is an automatic Oris 798, base SW 330-1 with a 42-hour power reserve. Additional details include a blue dial with a 24-hour indicator, a caseback with a Carysfort Reef motif, and a blue leather strap with an 18k yellow gold pin buckle. 

Available this April and limited to 50 pieces.

CHF 17900 (approx. $18,338), oris.ch