Nomos Ahoi Atlantic Date Ref. 551 vs Tissot PRX Powermatic 80 Green T137.407.11.091.01

In-Depth Comparison

The Nomos Ahoi Atlantic Date Ref. 551 and the Tissot PRX Powermatic 80 Green T137.407.11.091.01 represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Nomos and Tissot are both highly respected names in watchmaking. The Nomos Ahoi Atlantic Date Ref. 551 comes from Germany, while the Tissot PRX Powermatic 80 Green T137.407.11.091.01 originates from Switzerland. This particular Ahoi reference was introduced in 2016, while this PRX reference debuted in 2023. The Tissot PRX Powermatic 80 Green T137.407.11.091.01 is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Nomos Ahoi Atlantic Date Ref. 551 beats the Nomos DUW 6101 caliber offering a 42-hour power reserve running at 21,600 vph with 27 jewels. The Tissot PRX Powermatic 80 Green T137.407.11.091.01 is powered by the Tissot Powermatic 80 with a 80-hour power reserve operating at 21,600 vph featuring 23 jewels. The Tissot PRX Powermatic 80 Green T137.407.11.091.01 wins on power reserve with a 38-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Nomos Ahoi Atlantic Date Ref. 551 features a 40.3mm case at 10.1mm thick with a 49.5mm lug-to-lug measurement, crafted in Stainless Steel. The Tissot PRX Powermatic 80 Green T137.407.11.091.01 comes in at 40.0mm and 10.9mm thick with 47.0mm lug-to-lug, constructed from Stainless Steel. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 54g, the Nomos Ahoi Atlantic Date Ref. 551 is the lighter of the two.

Materials And Construction

The Nomos Ahoi Atlantic Date Ref. 551 uses a Sapphire crystal crystal paired with a Fixed polished bezel, while the Tissot PRX Powermatic 80 Green T137.407.11.091.01 features Sapphire crystal with a Fixed polished bezel. On the wrist, the Nomos Ahoi Atlantic Date Ref. 551 comes on a Nomos woven textile strap with Pin buckle, while the Tissot PRX Powermatic 80 Green T137.407.11.091.01 is fitted with Stainless steel integrated bracelet featuring Fold-over clasp.

Water Resistance And Capability

The Nomos Ahoi Atlantic Date Ref. 551 is rated to 200m / 656ft and the Tissot PRX Powermatic 80 Green T137.407.11.091.01 to 100m / 328ft. For serious diving or water activities, the Nomos Ahoi Atlantic Date Ref. 551 offers a meaningful advantage.

Pricing And Value

At retail, the Nomos Ahoi Atlantic Date Ref. 551 lists for $4,060 compared to $695 for the Tissot PRX Powermatic 80 Green T137.407.11.091.01. The Tissot PRX Powermatic 80 Green T137.407.11.091.01 is the more accessible option at MSRP, saving $3,365 at retail. On the secondary market, the Nomos Ahoi Atlantic Date Ref. 551 trades around $3,400 while the Tissot PRX Powermatic 80 Green T137.407.11.091.01 commands approximately $600.

The Verdict

Choosing between the Nomos Ahoi Atlantic Date Ref. 551 and the Tissot PRX Powermatic 80 Green T137.407.11.091.01 ultimately comes down to personal priorities. For value-conscious buyers, the Tissot PRX Powermatic 80 Green T137.407.11.091.01 delivers excellent quality at a lower price point. for dress occasions and smaller wrists, the Tissot PRX Powermatic 80 Green T137.407.11.091.01 is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.