The LonginesTank (Art Deco) Cal 9LT (Reference 8487175) is a luxury wristwatch by Longines introduced in 1930. paired with a Ostrich skin bracelet. Powered by a Manual winding movement.

On TheWatchInfo, the LonginesTank (Art Deco) Cal 9LT is tracked across the secondary market in real time. There are currently 1 active listing. Listings are sourced from Dealer. Price history, trend analysis, and condition breakdowns are available on this page.

Longines watches are among the most actively traded on the pre-owned market. The LonginesTank (Art Deco) Cal 9LT Ref. 8487175 is sought after by collectors for its manual winding movement. Buyers and sellers use TheWatchInfo to track real-time price movements, compare listings across platforms, and understand fair market value before transacting.

When purchasing a pre-owned LonginesTank (Art Deco) Cal 9LT Ref. 8487175, key factors to consider include the condition grade (unworn, mint, excellent, good), presence of original box and papers, service history, and whether the watch has been modified. Prices for examples with full box and papers typically command a 10–20% premium over card-only or watch-only examples. Use the listings and price history on this page to benchmark what a fair price looks like right now.