Calibre Sellita SW261-1 MOVEMENT Automatic FUNCTIONS HMS POWER RESERVE Around 38 hours CASE MATERIAL Polished stainless steel CASE DIAMETER 39 mm CASE BACK See through GLASS Domed sapphire crystal with anti-reflective treatment on both sides WATER RESISTANCE 5 bars (50 m/165 ft) DIAL Green, blue or black guilloché style, anthracite ring and seconds counter, Eastern Arabic numerals, light grey transfers HANDS Rhodium-plated signature fir tree hands STRAP Grey grained calf leather bracelet with tone-on-tone stitching BUCKLE polished stainless steel pin buckle, ergot bars for quick strap change STRAP DIMENSIONS 20/18 mm, 80/115 mm