Tudor Mini-Sub ref 9440 serial circa 1987. 33 x 39mm stainless steel case with elapsed time bezel and acrylic crystal. Original matte dark blue dial with luminous indexes and Mercedes style hands. Dial signed with Tudor Shield, Tudor Prince Oysterdate, 200m 660ft, Mini-Sub, and T Swiss Made T. Powered by an automatic movement with sweep second hand and date. With original Tudor stainless steel folded link Oyster bracelet with flip-lock deployment clasp. Serviced by one of our veteran Horologists, comes with a 1-year warranty of accurate timekeeping and operation.