AVI-8 Sabiha Gökçen 24-Hour Automatic Limited EditionvsNivada Grenchen Chronomaster Valjoux

Owners are divided on the AVI-8 Sabiha Gökçen 24-Hour Automatic Limited Edition's design, with one calling it "horrible" and not a collector's item, while another finds it more meticulous than previous models, though still too busy and large. The watch features an NH34 movement with a 24-hour GMT function, measuring 42mm in diameter and 16mm thick. Owners also question the high resale prices. On balance, owners express significant reservations about the design and value proposition of the AVI-8 Sabiha Gökçen 24-Hour Automatic Limited Edition.

The Nivada Grenchen Chronomaster is praised for its vintage aesthetic and versatility, with the Aventurine Blue variant offering a unique starry dial and world time bezel. Owners note the sub-dials are small and difficult to read, and the Sellita SW510 movement exhibits rotor wobble and hand play. The $5,000 price point is a significant increase from previous reissues. Overall, owners rate the Nivada Grenchen Chronomaster highly for its vintage aesthetic and unique dial options, despite some concerns about sub-dial legibility and movement characteristics.