this category mainly focus on early wristwatches in enamel dial, they appear in many case construction, such as half hunter, full hunter, borgel, hermtic, semi hermetic, full hermetic, 8 days, direct read, chronograph, calendar, officer trench, left hand, 3 pieces oyster case etc.
examples in the picture is a 9k beautiful enamel cushion by rolex, NFS.
oyster octagon, 18k, scientific enamel
this is my grail watch, very very rare 18k octagon with the most desirable enamel scientific dial, double sunk, with the word scientific on it, chronometer grade, with box and paper, wow!!!