Vintage Omega Art Deco Tank, Mechanical Cal. T17, Sub-Seconds from 1930This vintage Omega Art Deco Tank dates to 1930 and the dial represents it perfectly. Bold Arabic numerals, a framed minute track, and a subsidiary seconds at 6 oclock create a structured, almost graphic composition. The blued steel hands add contrast against the aged silvered surface, which shows honest patina consistent with its near century of history. Inside beats the Omega Caliber T17, a rectangular manual wind movement developed specifically for