Movement: accurate CITIZEN ECO DRIVE caliber B740 Solid stainless steel housing Specially hardened / non-reflective mineral glass Knurled and screwed stainless steel crown with side protection Stainless steel bezel, left-turning with minute division Bolted stainless steel base with Promaster logo and manufacturer embossing Housing is waterproof up to 20 ATM (200m) Highly luminous indexes and hands, including second hands with Superluminova luminous material Rubber strap with stainless steel pin buckle Black dial Analog hour, minute and second display Date display at 3 o'clock Battery warning Ascent speed warning Diving depth display from 0 to 50m Diving depth storage Depth gauge Tone control Water resistant to 20 ATM according to DIN 8310 (200 m / 20 bar) Diameter of the case without crown and depth gauge: approx. 41 mm Height: approx.14.1mm Weight about 112gr.