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Mainspring Review: Deep Diving into the Santurce Picúa

by Gabriel De León on May 13, 2026

The Mainspring watch magazine has recently published an in-depth technical review of our Picúa Dive Watch. Their analysis highlights not only the vibrant aesthetics inspired by the Caribbean but also the serious watchmaking standards we've implemented in this model.

In the review, the team at Mainspring explores the balance between the nostalgic mid-century diver silhouette and the modern reliability of the Sellita SW200 movement, making the Picúa a standout piece for both local and international collectors.

"The Picúa is a testament to what a dedicated microbrand can achieve when they prioritize both heritage and high-grade specifications. It's a dive watch that feels as home in the ocean as it does in a serious collection."

— Mainspring Watch Review

 

Key highlights from the feature include:

  • Precision Engineering: Detailed praise for the choice of the Sellita SW200-B automatic movement, ensuring long-term reliability and ease of service.
  • The "Tropical" Aesthetic: How the color palette and dial finishing successfully capture the spirit of Puerto Rico without compromising professional dive watch functionality.
  • Exceptional Build Quality: Mainspring emphasizes the 300m water resistance and the 39mm case proportions as the "sweet spot" for modern enthusiasts.

Being featured in Mainspring is a significant milestone for us, as it validates the technical rigor we apply to every watch we design in Santurce. Whether you are a professional diver or a desk-diver, the Picúa continues to prove it belongs among the best in its class.

 

Read the full technical breakdown and see the high-resolution gallery on Mainspring's website.