DELUXE SMITHS BRISTOL AVIATION 9CT DENNISON CASED WATCH WITH BOX PAPERS EXTRAS EXCELLENT bristol The bolt screw is within

The bolt screw is within the bridge and the regulator index finger is the early fat type

The thickness is 12

The other case parts are part numbered tallying with this

Batch number 28

the escapement being the polished Deluxe grade with mono-metallic balance

DELUXE SMITHS BRISTOL AVIATION 9CT DENNISON CASED WATCH WITH BOX PAPERS EXTRAS EXCELLENT bristol The bolt screw is withinSolid gold Smiths Deluxe model Bristol Aviation 9ct Dennison cased watch with box papers extras excellent condition, given to a Bristol employee in 1958. The Smiths Deluxe grade 17 jewel 27cs movement is in excellent condition as is the rest of the watch. Fitted with an 18mm zrc croc pattern strap. The case is by Dennison and is an Aquatite design reference number 12880. movement number j c 425735. Non shockproof. Birmingham assay office 9ct gold