A tribute 40 years in the making. Introducing the Promaster Aqualand 40th Anniversary Limited Edition - commemorating our release of the world’s first diver’s watch with an electronic depth meter. Fearless innovation meets vintage design in this new offering with iconic, bold depth sensor, 4 o’clock crown, gold accents, and a custom-engraved case back. Unmistakably Aqualand. Professional-grade. Purpose-built. #CitizenWatch #CitizenPromaster #Aqualand #CitizenAqualand