San Martin SN0138 – 37mm BB54 Vintage Diver Automatic Watch for Men

The Heritage of Precision

Experience the revival of classic diving elegance with the San Martin SN0138 – a 37mm automatic timepiece that captures the spirit of the 1950s diver while embracing modern craftsmanship. Built for men who appreciate authenticity and mechanical purity, this watch blends durability with vintage charm.

Every Detail Tells a Story

From the brushed 316L stainless steel case to the sapphire crystal dome, every element is crafted to endure. The luminous C3 and BGW-X1 coating ensures visibility in the darkest depths, while the NH35 automatic movement offers smooth, precise performance powered by your motion alone.
With its compact 37mm case and balanced proportions, the SN0138 embodies timeless sophistication and versatility.

Confidence Beneath the Surface

Engineered for 200m of water resistance, the SN0138 thrives both above and below the surface. Whether paired with a wetsuit or a tailored jacket, it reflects refinement, resilience, and understated strength the hallmarks of San Martin’s legendary design language.