The SEA-GULL Heritage Series Tourbillon Complete Calendar 41mm is a 41 mm watch from the Tourbillon collection. Its stainless steel case is 11 mm thick and 52 mm from lug to lug, with 21 mm lugs. It is water resistant to 50 m. The crystal is sapphire.

The manufacturer’s list price is US$3,774. It comes in 2 versions, with white and gold dials.