Longines PrimaLuna MoonphasevsBell & Ross WW1 HEURE SAUTANTE PLATINUM

The Longines PrimaLuna Moonphase features a fluid case design and a 72-hour power reserve from its automatic movement. Owners note its accuracy averages 1.3 seconds lost per day across six positions, and 3 to 4 seconds on the wrist, performing within COSC standards. Previously, moon phase models utilized quartz movements, a detail that may not appeal to mechanical watch enthusiasts. Overall, owners rate the Longines PrimaLuna Moonphase highly for its updated automatic movement and reliable timekeeping.

The Bell & Ross WW1 HEURE SAUTANTE PLATINUM is noted for its elegant and conservative display of time, featuring a jumping hour complication with an instant jump executed by Vincent Calabrese. Reviewers highlight its striking looks and the 42mm platinum case with a gray dial. A power reserve indicator disc is present, though a seconds subdial is absent. One reviewer found the Bell & Ross logo at 3 o'clock to be slightly too large. Overall, reviewers praise the Bell & Ross WW1 HEURE SAUTANTE PLATINUM for its sophisticated jumping hour complication and refined aesthetic.