Spinnaker Bradner Automatic GMT Men's Black Green Watch

Spinnaker Bradner GMT Men's Black Watch SP-5121-44 delivers both rugged utility and travel-ready elegance. Featuring the Seiko NH34 automatic GMT movement, this watch lets you track a second time zone while maintaining a clean, vintage-inspired silhouette.

Encased in a 42mm stainless steel case with sapphire crystal and Swiss Newlite lume, it promises durability and visibility. It includes both a stainless steel bracelet and an extra green rubber strap—ideal for daily transitions from the boardroom to the beach.

With 18 ATM water resistance and a reliable GMT function, this is a versatile tool for global adventurers who don’t compromise on style.

Questions & Answers

• What movement powers this watch? It uses the reliable Seiko NH34 automatic GMT movement.
• Can I swap the strap? Yes, the watch comes with a second green rubber strap for versatility.
• Is this watch good for water activities? Yes, it has 180 metres water resistance, great for swimming and snorkelling.
• How is night visibility? Swiss Newlite lume ensures great readability in low light.
• What size is the case? It has a 42mm case with a 15mm depth and 50mm lug-to-lug span.