Seiko Prospex Automatic Diver SRPL13 vs Invicta Pro Diver 18508 Automatic

Buy the Seiko SRPL13 if you want a purpose-built dive watch with a proven in-house movement, ISO-rated 200m diving spec and a slimmer 12.3mm case. The Invicta 18508 counters with a Swiss Sellita SW200, a gold-tone plated finish and a lower entry point into Swiss automatics. Owners of the Seiko praise its build and lume; Invicta's Pro Diver line is widely seen as a value Swiss-movement watch, but its gold plating and flame fusion crystal are the weaker points over years of wear.

• Choose the Seiko Prospex SRPL13 if you actually dive or swim, want a slim 41.7mm case with ISO diver certification, and prefer a Japanese in-house movement with strong LumiBrite.
• Choose the Invicta 18508 if you want a Swiss Sellita SW200 automatic and a bold gold-tone look, and you treat the watch as a dressier everyday piece rather than dive gear.