Elgin Grade 350

Veritas, O.F. Nickel. Lever Setting, for Railroad Service, Pendant Winding, Twenty-three ruby and sapphire jewels. Gold jewel settings. Barrel arbor pivots running in jewels. Double-roller escapement. Steel escape wheel. Exposed sapphire pallet stones. Pallet arbor cone-pivoted and cap-jeweled. Escape pinion cone-pivoted and cap-jeweled. Compensating balance. Breguet hair-spring, with Micrometric regulator. Adjusted to temperature, isochronism, five positions. Safety barrel with spring box rigidly mounted on bridge. Exposed winding wheels. Patent recoiling click and self-locking setting device. Dust ring. Double-sunk glass enamel dial. Engraving inlaid with gold. Plates beautifully damaskeened. Closely timed and finely finished throughout.