Fears Gives Its Jump Hour a Luminous Final Act
The Brunswick Ultimus ends the model line with layered sapphire, luminous ceramic and a fully glowing hour disc rather than a nostalgic farewell. The limited order window makes this a timely read on how an independent British brand closes a successful complication with material contrast instead of repetition.
In brief. Ultimus earns its farewell status by placing a technologically modern dial over a familiar British cushion case and JJ01 module, turning the last Brunswick Jump Hour into a day-to-night study rather than a commemorative colourway.[1] [2] [3] [4] [5] [6] [7] [8]
Why the Brunswick Jump Hour Is Ending Here
Ultimus is presented as the final Brunswick 40.5 Jump Hour and a collaboration with Andrew Morgan Watches. The order window runs from August 10 through August 17, 2026.[1] [2]
Calling this the final Brunswick Jump Hour gives the order window real consequence, but it does not disclose the eventual quantity. The collaboration and one-week period define how collectors can act. They should not be converted into a claim of rarity until the number of accepted orders is known.[1] [2]
The one-week window establishes urgency, not a fixed edition size. Fears can describe Ultimus as the final version of this Brunswick format while still accepting an unknown number of orders. Collectors should separate the end of a model line from a numbered-production claim.[1] [2]
Three Sapphire Layers and a Magnified Hour
Its steel cushion case measures 40.5 mm across, 47 mm lug to lug and 12.8 mm thick. Three sapphire dial elements sit above a central surface made from luminous ceramic.[3] [4]
Three sapphire elements make the dial a layered optical object rather than a printed cover for the module. The magnifier at 12 places emphasis on the jumping hour, while the luminous ceramic centre establishes a contrasting depth beneath it. The construction modernises the familiar cushion-shaped case without changing its basic proportions.[3] [4]
The three sapphire elements give the dial physical separation above the luminous centre. That construction makes the hour aperture, minute track and lower surface respond differently to light. It is a more substantive change than a new colour applied to the existing jump-hour layout.[3] [4]
How the Watch Changes After Dark
A magnifying window at 12 o’clock is a first for the Brunswick 40.5 Jump Hour collection. The hour disc and centre disc are both luminous for a blue low-light display.[5] [6]
Low-light behaviour is central rather than incidental. A luminous hour disc and centre surface turn the display into a second composition after dark. The relevant question is how clearly the hour and minutes remain separated over time, and the sources do not yet provide an independent lume-duration test.[5] [6]
The blue low-light display is central to the edition’s identity, but the sources show the intended effect rather than measured duration. Initial brightness, hour visibility and minute contrast may change through the night. Those questions cannot be settled from launch photography.[5] [6]
The Familiar JJ01 Mechanism Beneath the New Face
The automatic movement combines a Sellita SW200 base with Christopher Ward’s JJ01 jump-hour module and offers 38 hours of reserve. Pricing is GBP 4,450 on leather or GBP 4,750 with the five-link bracelet and leather strap.[7] [8]
Beneath the new face, the Sellita base and JJ01 module keep the mechanism familiar. That continuity can help buyers understand service architecture and reserve, but it does not prove future support or reliability. The edition earns distinction through how the established mechanism is framed, not through a claim of a new calibre.[7] [8]
A Sellita SW200 base and JJ01 module make the mechanism legible in familiar terms. The 38-hour reserve is modest, and the module adds a specialised display that may shape future service. The cited construction explains the architecture but does not establish reliability or support times.[7] [8]
One Week to Order, With Quantity Still Open
Ultimus is presented as the final Brunswick 40.5 Jump Hour and a collaboration with Andrew Morgan Watches. The order window runs from August 10 through August 17, 2026.[1] [2]
Pricing separates leather from the bracelet package and gives buyers a concrete comparison during the short window. Final production, delivery experience, timing and long-term module behaviour remain open. The strongest purchase case is attachment to this specific luminous construction, not pressure created by the deadline alone.[1] [2]
The GBP 300 difference adds the five-link bracelet while retaining a leather strap. That is a concrete package choice inside the deadline. Buyers still lack final quantity, delivered-watch timing data and long-term module history, so the luminous design should carry the decision rather than assumed scarcity.[1] [2]
The Dial Brief view
Calling this the final Brunswick Jump Hour gives the order window real consequence, but it does not disclose the eventual quantity. The collaboration and one-week period define how collectors can act. They should not be converted into a claim of rarity until the number of accepted orders is known. Low-light behaviour is central rather than incidental. A luminous hour disc and centre surface turn the display into a second composition after dark. The relevant question is how clearly the hour and minutes remain separated over time, and the sources do not yet provide an independent lume-duration test.
What we know, and what remains unconfirmed
The available report is an introduction rather than a hands-on test; final production volume depends on orders, and independent timing, lume-duration and long-term module reliability data are unavailable.