The Raymond Weil Maestro 40mm Automatic Moonphase (Reference 2239M-ST-00509) from 2022 is a refined Swiss dress watch blending traditional astronomical complications with contemporary design.

• Dimensions: A universal 40mm case diameter balanced by a highly wearable 9.8mm thickness.  

• Dial Aesthetics: A galvanic dark blue dial boasting an intricate wave-like guilloché motif, classic white Roman numeral markers, and steel hands. 

• Complications: A true crescent moon phase window at the 6 o'clock position and a quick-set date window placed at 3 o'clock. 

• Internal Movement: Powered by the automatic Raymond Weil Calibre RW4280 (base Sellita SW280), which features 26 jewels and a 38-hour power reserve. 

• Hardware & Finish: Polished stainless steel casing equipped with a scratch-resistant sapphire crystal face, an exhibition case back, and a fine steel Milanese mesh bracelet. 

• Water Resistance: Rated at 50 meters (5 ATM), making it safe from daily splashes but not swimming.