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Introduction
Over the years, Seiko has released thousands upon thousands of different watch models. Although Seiko has officially named a few of them (like the Alpinist or Spirit), the majority are simply obscure and forgettable reference numbers (like SRP775, 6105 or 6159-7010).
Like any good obsessive fan-base, the most collectible Seiko models have earned unofficial nicknames ? a sure-sign that a particular reference has reached cult status within the community.
You’ve probably heard of the big names ? Monster, Turtle, and Tuna to mention just a few. But many people are surprised to learn that Seiko didn’t actually come up with these names, even though some have been unofficially adopted by Seiko since their inception. In this article, I’m going to explore the most popular Seiko nicknames dubbed by fans, along with a reference table of honorable mentions (both vintage and modern) for the true Seikoholics.
Most Popular Seiko Nicknamed Watches
Seiko “Turtle”
Seiko Turtle ‘Padi Edition’

The Turtle is by far the most popular of the Seiko nicknamed watches, both in it’s modern (SRP77X) and vintage (6309) incarnations. A lot has been written about the Turtle, so I won’t go into much detail ? but this model is well-known to be one of the best value’s you can get in an automatic diver for under $500.
The Turtle is a nice upgrade from the SKX, housing a high-quality 6R15 Seiko movement and available in ...