Avi-8 Watch - Flyboy Engineer Automatic Peanuts Snoopy Flying Ace Monotone Limited Edition - AV-4156-02 - Obsidian Ace

AVI-8 Flyboy Engineer AV-4156-02 Obsidian Ace – Snoopy Flying Ace Monotone Automatic Watch, 700 Pieces, Black Dial, All-Black

The watch community has a long-standing relationship with the all-black watch. Not the blacked-out sports watch with DLC coating and tactical pretensions — that is a different thing. The all-black dress watch, the all-black pilot's watch, the watch where every element from bezel to clasp shares a single dark tone and the only departure is the silver case that frames the dial: this is the choice that signals something specific. It says: I know what I am looking for, and I do not need colour to help me find it.

The AVI-8 Flyboy Engineer Automatic AV-4156-02 Obsidian Ace is built for that person. Not for someone discovering the Flying Ace through a bright dial and an interesting colour story, but for someone who already knows the character — who knows Peanuts, who understands why Snoopy's imaginary adventures as a World War One pilot are one of the most quietly melancholic concepts in American comic strip history — and who wants the watch to reflect that prior knowledge rather than explain it. 700 numbered pieces. Launching 21 August 2026.

Black as the Connoisseur's Colour

In the watch market, black dials divide into two categories. The first is the statement black — the dramatic, high-contrast, attention-seeking black that works by standing out against every other watch on the table. The second is the quiet black — the dial that absorbs rather than reflects, that requires the viewer to come closer rather than advertising itself across a room. The Obsidian Ace belongs to the second category.

Against the black dial, the Flying Ace illustration does not leap forward. It sits in the dial, rendered in the same tonal register as the surface it occupies, visible to someone paying attention and almost imperceptible to someone who is not. For the collector who understands that the most interesting things in watchmaking are often the things that do not announce themselves, this is precisely the right relationship between character and background.

The Name and What It Carries

Obsidian is a naturally occurring volcanic glass — formed when lava cools faster than crystals can grow, producing a material that is chemically identical to quartz but structurally amorphous. It is black, dense and harder than most metals. Pre-industrial cultures on every inhabited continent independently discovered that obsidian could be knapped into cutting edges sharper than steel — the material's structure allows it to fracture along clean planes, producing edges that operate at the molecular level.

The Obsidian Ace borrows the name's qualities rather than its geology. A watch that is black in the way obsidian is black: not painted on, not surface-treated, but definitively, completely, materially black — a colour that is also a structural decision. The black leather strap against the black dial against the silver case is not a styling choice. It is an argument.

Flyboy Engineer Platform at 41 mm – The Proportions of Understatement

The 41 mm Flyboy Engineer case at 14.75 mm thick is the platform that makes the Obsidian Ace's all-black character work at the wrist rather than against it. A larger case — 44, 45 mm — in all black would read as aggressive, the colour and the size combining into something that demands attention. At 41 mm, the same all-black composition reads as considered. The watch is present without being insistent; it occupies the wrist without claiming the room.

The stainless steel argenté case provides the only tonal break in the composition — the single element that separates the black dial from the black strap and prevents the watch from collapsing into a dark void on the wrist. That separation is load-bearing: without it, the contrast that gives the dial its legibility disappears. With it, the watch has structure.

Exhibition Case-Back – The Mechanical Interior of a Black Watch

Turning the Obsidian Ace over reveals what the black exterior does not prepare you for: the movement's components, visible through the exhibition case-back, operate in their own tonal register — the gold of the jewel settings, the silver of the rotor, the complexity of an automatic calibre in motion. The back of the Obsidian Ace is the antithesis of its face: where the dial is closed, still and dark, the movement is open, animated and varied. It is the same watch making two completely different arguments about what a watch should look like, depending on which side you examine.

Hidden UV Details – The Layer Beneath the Black

Under ultraviolet light, the Obsidian Ace reveals a layer of patterns and luminescent elements that normal lighting keeps entirely hidden. On a black dial, this revelation has a quality that white or grey cannot replicate: the black surface offers no ambient visual information at all, which means the UV elements appear against total darkness rather than against a background that already contains colour or texture. The contrast is absolute. Whatever the UV light reveals on the Obsidian Ace emerges from nothing — which is precisely where the Flying Ace has always done his best work, in Schulz's strips, appearing out of the quiet of a beagle's imagination.

Japanese Automatic Movement and Black Leather Strap

The Japanese automatic movement — three hands, date, bidirectional winding rotor — drives the Obsidian Ace through wrist motion, sustaining itself without any input other than daily wear. The 22 mm black leather strap continues the dial's tonal register to the clasp, interrupted only by the silver case. The strap's leather construction will develop its own surface character over time — the specific way that black leather ages, picking up micro-variations in tone and texture that give it a depth after months of wear that new black leather does not have. The Obsidian Ace will look different in a year than it does at unboxing. Better, most owners of black leather watches would say.

Why the Obsidian Ace is the Watch for Those Who Already Know

For the collector who does not need colour to make the choice

The Cloud Cover uses white to draw in the eye. The Grey Glider uses the richness of a textured mid-tone. The Obsidian Ace uses nothing — the choice is made entirely on the basis of what the watch is, not how it presents itself. That is the watch for someone who has already done the research and arrived at a specific conclusion.

The exhibition back changes the watch

The all-black exterior of the Obsidian Ace sets up a specific expectation. The exhibition case-back breaks it — the movement's mechanical complexity reading as a deliberate counterpoint to the minimalism of the dial. A watch that manages to be both minimal and complex, depending on which way you hold it, is doing something genuinely interesting.

UV in total darkness — the most complete reveal in the collection

The UV details on the Obsidian Ace appear against a background that has nothing else in it. On the Cloud Cover, the white dial is already luminous; on the Obsidian Ace, the black dial provides absolute contrast. Whatever the UV light finds on this watch — the Flying Ace, hidden markings, luminescent patterns — it finds it against nothing. The reveal is total, which makes it the most dramatic UV experience across the three Monotone variants.

The AVI-8 Flyboy Engineer Automatic Peanuts Snoopy Flying Ace Monotone Limited Edition AV-4156-02 Obsidian Ace is available now at Minutimer. Explore our range of limited edition watches and all automatic watches in our catalogue.