The Omega Seamaster 600 (reference 135.011) is a vintage watch manufactured in the 1960s, equipped with a hand-wound caliber 601 movement. This Seamaster 600 is a time-only watch with a classic design, highly popular among collectors. Movement | Hand-wound Omega caliber 601 (17 jewels). Known for its high accuracy and smooth winding. The dial, movement, case, and crown are all stamped with the Omega logo. Case | 34mm stainless steel case. Features a screw-down back and a slim bezel, resulting in a refined design. Comes with a brown suede or black crocodile-style (embossed) strap, 18/16mm. Crown | Original Omega logo crown. Dial | Antique-style black dial with drop-in type sword-shaped indexes and the Omega logo. Minute markers are printed in silver and gold, with the model name and brand name also placed similarly. Hands | Patinaed copper and brass. Crystal | Plexiglass (acrylic crystal). Features | The name "600" refers to the movement. The "600" in the model name does not indicate a water resistance of 600m like the modern Seamaster Planet Ocean 600M, but rather refers to the caliber 600 (or 601). Appeal as a Vintage Watch | Highly popular among collectors due to its timeless design, compact size, and historical value. Please note that there may be some inaccuracies in the Japanese expressions. Thank you for your time.