Longines HydroConquest Automatic Watch - 39 mm Steel And Ceramic Case - Grey Arabic Dial - Grey Rubber Strap - L3.780.3.78.9 2015 with the Model Number: RM61-01

with the Model Number: RM61-01

octagonal crown with a faceted synthetic spinel

9440 MC self-winding movement

tang buckle

brown rubber strap

Longines HydroConquest Automatic Watch - 39 mm Steel And Ceramic Case - Grey Arabic Dial - Grey Rubber Strap - L3.780.3.78.9 2015 with the Model Number: RM61-0139. 00 mm stainless steel and ceramic case, screw down back, screw in crown, unidirectional rotating bezel, scratch resistant sapphire crystal with anti reflective coating, sunray grey dial with applied Arabic numerals and indexes, caliber L888 automatic movement with hours, minutes, seconds and date, grey rubber strap. Water resistant to 30 bar.