Photos form part of the description. Seiko Prospex Air Series Mechanical Automatic Mens Watch SRPB61J1. The Seiko SRPB61J1 is powered by the Seiko automatic 4R35 caliber with a power reserve of 41 hours on full charge. The case is Stainless Steel with a leather strap and hardlex crystal and lumibrite on the hands and numerals. The watch is rated 100m Water resistant with a bi-directional rotating bezel.
The case size is 44.7mm and the thickness 12mm. SRPB61J features a see-through case back. The classic look of a Pilot watch with a clean and clear dial and the balance functionality on the bezel and the inner ring.