The SEA-GULL Ultra-thin Moon Phase Dress 38mm is a 38 mm watch from the Moon Phase collection. Its stainless steel case is 12 mm thick and 43 mm from lug to lug, with 22 mm lugs. It is water resistant to 50 m. The crystal is sapphire.

The manufacturer’s list price is US$728. It comes in 2 versions, with black, white and brown dials.