Behind the Build #10: Nautilus-Inspired Seiko AKA the Seikonaut – namokiMODS
Seiko 5 Nautilus SNKK43 7S26-03R0 Automatic Movement for $521 for sale from a Seller on Chrono24
SNKK52] Seiko Nautilus with a black dial. While i love the original, something just happens woth a black dial 🤩: SeikoMods | Seiko, Nautilus, Seiko watches