Seiko Cronos 54A (Sold) - not on this croc! Comes with basic strap.
Reason for the 50 to be in red for Seiko Cronos? | The Watch Site
Seiko Cronos J15010E Vintage Self Dater Date Manual Winding Mens Watch Authentic - Japan Pre-owned Vintage
namoki MODS - Trivia: The first Seiko Watch to ever be marketed as waterproof is the Seiko Cronos Sea Horse released in 1959. The maximum depth? 50m | Facebook
Seiko Cronos for $297 for sale from a Private Seller on Chrono24
Handwind Seiko Cronos cal.54 - Your Walkthroughs and Techniques - Watch Repair Talk