Circa 1935.
Produced for a single year is this impressive 10K white gold-filled Hamilton Mason featuring a robust case and black enamel numeral dial with correct blued steel Lance style hands. The white cased Masons are harder to come by as more versions in yellow were made. Underneath the dial sits a grade 987-F manual hand wind movement with 17 jewels that has been serviced and kept good time over a 24 hour period. The watch sets and winds smoothly and includes brand new genuine alligator calf straps in brown. The inside of the back case is engraved: Keystone, J.Boss, 10K Goldfilled, 98608. This beautiful watch measures approximately 27mm wide (excluding the crown) x 36mm from lug tip to tip.
Produced for a single year is this impressive 10K white gold-filled Hamilton Mason featuring a robust case and black enamel numeral dial with correct blued steel Lance style hands. The white cased Masons are harder to come by as more versions in yellow were made. Underneath the dial sits a grade 987-F manual hand wind movement with 17 jewels that has been serviced and kept good time over a 24 hour period. The watch sets and winds smoothly and includes brand new genuine alligator calf straps in brown. The inside of the back case is engraved: Keystone, J.Boss, 10K Goldfilled, 98608. This beautiful watch measures approximately 27mm wide (excluding the crown) x 36mm from lug tip to tip.