细节
A Waltham Eight-day (N.W.) navigation lever deck watch in brass bowl, gimballed in small size three-tier brass bound mahogany box, the matt silver dial signed Waltham Watch Co.(N.W.)19 subsidising seconds and eight day state of wind dial, blued steel hands, cut bi-metallic balance, Breguet overcoil, micrometric adjustment to index arm, twin barrels, the movement numbered 20093578