This replica deepsea 126600 carries the 43mm Sea-Dweller case that bridges the gap between the classic Submariner and the larger Deepsea models. Reference 126600 marks the modern evolution of the Sea-Dweller line, featuring a Cyclops magnifier over the date window — a detail that was absent from Sea-Dwellers for decades until its reintroduction. The single red “Sea-Dweller” text on the dial pays tribute to the original double-red references from the 1960s, giving this model a direct visual link to the heritage of saturation diving watches.

Technical Overview

• Case diameter: 43mm
• Case material: Oystersteel
• Bezel: unidirectional rotating, ceramic insert
• Crystal: sapphire with Cyclops lens at 3 o’clock
• Water resistance rating: 1,220m (4,000ft)
• Movement: automatic
• Functions: hours, minutes, seconds, date

At 43mm the 126600 wears noticeably different from a 40mm or 41mm Submariner, but it avoids the wrist-dominating presence of the 44mm Deepsea. The helium escape valve at 9 o’clock is a functional element designed for saturation divers who need to decompress safely.

Inside the Movement

The Sea-Dweller 126600 uses an automatic caliber with the same type of architecture found across the professional diving range. The movement delivers reliable timekeeping and a smooth seconds sweep. What separates this reference from the 116600 it replaced is the Cyclops lens addition and a slightly updated case profile. Within the broader Deepsea collection, the 126600 represents the entry point at 43mm — for the full 44mm experience, look at the Deepsea 116660 in 44mm.

What Sets It Apart

The single red “Sea-Dweller” line on the dial is the fastest way to identify a 126600 at a glance. Combined with the maxi dial markers, luminous hour plots, and ceramic bezel, this is a watch that reads clearly underwater and still presents well above the surface. The 1,220m depth rating sits far beyond any practical diving scenario for most owners, but it signals the engineering behind the case construction. This replica deepsea 126600 delivers the full Sea-Dweller package in the most wearable case size the line has offered.