The Essence of Refined Exploration for Modern Adventurers

The Alsta Nautoscaph IV is engineered for those who demand a seamless transition between a high-adrenaline lifestyle and professional refinement. It is a rugged, elegant timepiece built to endure a lifetime of exploration, making it a definitive centerpiece for selective watches collections.

Built for collectors searching for elite watches for men nearby, this premium alsta dive watch balances iconic heritage with modern engineering:

• Marine-Grade Build: A 40mm brushed 316L stainless steel case providing extreme durability against salt-water corrosion.

• Deep-Sea Submersibility: Rated for an impressive 999ft / 300m water resistance, featuring a screw-down crown and a high-durability, anti-reflective sapphire crystal.

• Tactical Night Visibility: Matte black dial paired with hands and indices applied with C3 Super-LumiNova for absolute legibility in total darkness.

• Mechanical Precision: Powered by the ultra-reliable Seiko NH35A automatic movement, boasting shock resistance (ISO 1413) and antimagnetic protection (ISO 764).

Tactical & Versatile Design

The Nautoscaph IV retains the soul of a classic skin diver while adjusting to contemporary proportions. The signature orange second hand and the black PVD unidirectional bezel bring a sporty edge for the ocean or the mountains, while the polished edge finishes make it sophisticated enough for any boardroom or formal setting.

Technical Information

• Movement: Seiko NH35A Automatic (Self-Winding)

• Diameter: 40mm | Thickness: 16.2mm

• Lug-to-Lug: 51.3mm | Band Width: 20mm

• Crystal: Sapphire with Anti-Reflective (AR) Coating

• Luminous: High-Grade C3 Super-LumiNova

• Water Resistance: 30 ATM (300m / 999ft)