A Regency walnut small two-day marine chronometer with 'OZ' balance John Roger Arnold, London, No. 371. Circa 1811/1812 The silvered dial signed Arnold London 371 with Roman chapters and blued steel spade hands, seconds ring at VI, brass bayonet-fixed bezel with convex glass, the movement signed Jn R Arnold London. Invt. et Fecit. No.371 , chain fusee, Arnold's spring detent escapement with jewelled locking stone, blued steel helical balance spring and Arnold's OZ balance, original brass bowl with spring-loaded winding cover, later gimbal and later three-tier box with brass drop handles 80mm. dial diameter; 160mm. square box
A Regency walnut small two-day marine chronometer with 'OZ' balance John Roger Arnold, London, No. 371. Circa 1811/1812 The silvered dial signed Arnold London 371 with Roman chapters and blued steel spade hands, seconds ring at VI, brass bayonet-fixed bezel with convex glass, the movement signed Jn R Arnold London. Invt. et Fecit. No.371 , chain fusee, Arnold's spring detent escapement with jewelled locking stone, blued steel helical balance spring and Arnold's OZ balance, original brass bowl with spring-loaded winding cover, later gimbal and later three-tier box with brass drop handles 80mm. dial diameter; 160mm. square box
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