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UNIMATIC x Massena LAB U1-MLB Limited Edition

Massena LAB has partnered with UNIMATIC on a new limited edition watch, the U1-MLB. Inspired by the professional dive watches issued by the West German Navy in the 1970s, the UNIMATIC MLB marks the culmination of a collaborative trilogy between the two brands.

The collaboration between Massena LAB and UNIMATIC has been a history lesson of sorts, with each watch paying tribute to important watches of the past, reinterpreted for the modern enthusiast. The first – the U1-ML6, drew its inspiration from the dive watches from the 1950s with its red triangle on the bezel and tropical dial. The next watch in the series is the U1-MLM, inspired by the dive watches issued by the French Navy in the 1960s–each unique due to a depigmentation process which produced a range of dial colors from navy to turquoise.

The U1-MLB “Bund” is inspired by the dive watches of the 1970s, particularly the cult Blancpain “Bund”, which was issued to the Bundeswehr Kampfschwimmers, a group of elite special forces in the West German Navy. The dive watch features an all black dial, with a black on black “ghost” signature to maximize the legibility of its ivory Super-LumiNova indices.

Like the “Bund” of the 1970s, the dial of the MLB is characterized by a large, distinctly orange minute hand to differentiate it from the hour hand, both of which are luminous. The U1-MLB also features another key vintage reference, a unique “sterile” bezel, or one with a clean black insert with no markings except for a large luminova marker.

Housed inside the 41.5mm stainless steel case of the U1-MLB is the automatic caliber Seiko NH35A 21600bph, with a power reserve of 41 hours and a hacking feature. Turning the watch over, the viewer is treated to a detailed engraving of sonar waves, like those coming from a submarine.

Fitted with a TPU strap in burnt orange, the U1-MLB is delivered with an alternate black strap, also in TPU, for added versatility. Each example is delivered in a branded UNIMATIC x Massena LAB tough case with a warranty card and unique ID seal.

Launched on November 18th at 11am ET, the MLB ($895 USD) is produced in a limited run of 200 pieces and sold exclusively at

Technical details

● Model: U1-MLB
● Functions: Hours, minutes, seconds
● Material: Stainless steel
● Dimensions: 41.5mm case; Height 13.6mm
● 2.5mm double domed sapphire
● Anti-reflective coating
● Dial: Matte black with “ghost” black on black signature
● Caseback: Closed steel back
● Lume: Hand-applied Super-LumiNova
● Caliber: Seiko NH35A 21600bph
● Power Reserve: 41 hours
● Water Resistance: 300 meters
● Strap/Bracelet: Burnt orange and black TPU strap
● Lug Width: 22mm

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