Chrome-plated cased pin-pallet lever wrist-watch with black leather strap

Description — British Museum

Wrist-watch. Movement with brass plates and pin-pallet lever escapement. Silvered dial with picture of Snow White; Arabic hour numerals. Hour and minute hands. Chromium-plated case with snap-on back. Black leather wrist-strap.

Curator's comments — British Museum

Comment from Richard Good, Catalogue of Watches in the British Museum. Vol. V (Unpublished manuscript) Made by Timex U. S. A., c. 1960 A wrist watch with Snow White on the dial and a pin pallet lever escapement Signature: 'US TIME' on the case back in a rectangular cartouche. Case: A two piece tonneau case with a chrome plated front and a stainless steel back. A black leather strap with on the back 'Selected Leather' and a chrome plated buckle. Dial & Hands: A silvered metal dial with black Arabic numerals signed 'Made in U.S.A.' and with a copyright inscription 'W.D.P.' Stretching across the dial in polychrome is an effigy of Snow White. The dial is retained by four tags. Blued steel hands. Movement: Ebauche Marks: None. Frame: Full plate movement with a gilt finish. Barrel and Mainspring: The barrel without a cover the back plate retains the spring. Going Barrel: I. diameter 9.4 mm., height 2.0 mm. Mainspring: height 2.0 mm., thickness 0.11 mm. Barrel Arbor: diameter 2.4 mm., not snailed. The arbor is steel with a brass head. Hooking: Pressed in from the barrel wall. Train: The brass wheels gilded, the centre wheel, third and fourth wheels with four crossings. The escape wheel with three. Jewelling: No jewels. Cone bearings to the balance working in steel cups that in the front plate being adjustable. Escapement: An obtuse angle layout pin pallet lever escapement with short lever, effectively a double roller with a round steel pin set in the balance arm. A brass lever with steel pins. A brass escape wheel with three arms. An equal impulse escapement. No. of teeth embraced 3½. Balance & Spring: a monometallic balance with a plain rim. Balance diameter 8.10 mm., thickness 0.5 mm. A blued-steel flat spiral spring with 12 turns. Means of Regulation: An index on the back plate registers against a divided scale with 'F' and 'S' stamped on the back plate. Train Counts and Beat Rate: Great wheel 68 (barrel) Centre wheel 64 pinion 10 Third wheel 60 pinion 8 Fourth wheel 72 pinion 8 Escape wheel 15 pinion 8 Beat rate: 16,200 Motion work: cannon pinion 8 minute wheel 24, minute pinion 8 hour wheel 32 Winding System: Stem set rocking bar keyless work. Dimensions: Case: Width 23.1 mm., length over the lugs 33.7 mm. Movement: length 24 mm., height 6.3 mm. Provenance: Donated by the Heron Corporation in 1983.