Submaridian

Not every watch needs to chase something. The Submaridian is built for people who've stopped chasing and started choosing, a tool watch that's clean, capable, and quietly commanding. A deep black dial, bold markers, and arrowed hands echo classic dive-watch heritage, while the steel case and domed crystal give it a modern silhouette built to work as hard as you do.

It arrives fitted with a Vintage Black Italian leather strap, polished silver buckle, and tool-free quick-release pins.

Delivered in a signature Sanctum leather case, built for long-term protection.

Specifications

Case

• 40mm diameter (lug width 49mm)
• 13mm thickness (including sapphire)
• 316L stainless steel
• Clear caseback reveals the movement and jewels.

Crystal

• Domed ceramic‑pot glass

Movement

• Automatic Seiko NH71A

Water Resistance

•  5 BAR / 50m / 5 ATM

Strap

• 20mm width
• Vintage black Italian leather strap
• Quick release stainless steel mechanism