Sea-Dweller was born in 1967. 50 years later, the Sea-Dweller "126600" was announced at Baselworld 2017. Compared to the old Sea-Dweller 4000 "116600", the case diameter has been increased from 40mm to 43mm, and the first cyclodene lens in Sea-Dweller history has been adopted. The letters "SEA-DWELLER" on the dial are colored red, reminiscent of the original Sea-Dweller nicknamed "Red Seed". The movement is equipped with “Caliber 3235,” which has been developed and manufactured in-house with 14 patents. Including the Cronergy Escapement, which increased the performance of conventional escapements to achieve high efficiency, and adopted nickel-phosphorus alloys, which are less susceptible to magnetic fields, for the ankles and escape wheels, the company has packed the technical capabilities of Rolex. It is a new generation movement. The case side at 9 o'clock also has a helium gas escape valve unique to Sea-Dweller, making it an attractive model that boasts high performance not only as a design but also as a diver's watch.

Sea-Dweller was born in 1967. 50 years later, the Sea-Dweller "126600" was announced at Baselworld 2017. Compared to the old Sea-Dweller 4000 "116600", the case diameter has been increased from 40mm to 43mm, and the first cyclodene lens in Sea-Dweller history has been adopted. The letters "SEA-DWELLER" on the dial are colored red, reminiscent of the original Sea-Dweller nicknamed "Red Seed". The movement is equipped with “Caliber 3235,” which has been developed and manufactured in-house with 14 patents. Including the Cronergy Escapement, which increased the performance of conventional escapements to achieve high efficiency, and adopted nickel-phosphorus alloys, which are less susceptible to magnetic fields, for the ankles and escape wheels, the company has packed the technical capabilities of Rolex. It is a new generation movement. The case side at 9 o'clock also has a helium gas escape valve unique to Sea-Dweller, making it an attractive model that boasts high performance not only as a design but also as a diver's watch.

Introduced in 2008, the Deep Sea boasts the highest waterproofness of any Sea Dweller. Built as a professional diver's watch, the Sea-Dweller is a ring lock system consisting of a 5mm thick dome-shaped sapphire crystal, a nitrogen alloy stainless steel center ring, and a grade 5 titanium alloy case back, with an amazing waterproofing of 3,900m. The function is secured. A manly silhouette with a presence of 44 mm in diameter and 18 mm in thickness. The black dial is coated with the luminescent paint unique to diver's watches, and emits light for a long time to protect the diver.