Citizen’s Campanola line has a new mechanical heart, and it’s wearing the night sky on both of its new faces. The Small Second Mechanical pair pairs a Swiss-built automatic with dials worked in black lacquer and mother-of-pearl, and the run stops at 170 watches.
The two models are the NZ4000-56E Amamitsuhoshi and the NZ4000-56N Kojo, and each one takes its name and its dial from a different kind of starlight over Japan.
Campanola NZ4000-56E Amamitsuhoshi
Black lacquer dial with mother-of-pearl inlay · Cal. Y520 automatic · Limited to 100 pieces
Price: ¥825,000
Where to buy: More details at Citizen
Black lacquer and shell inlay carry the Amamitsuhoshi
The Amamitsuhoshi spreads its sky across black lacquer, with mother-of-pearl inlay and metal powder worked into the surface so the stars shift in color and shine as the light moves. Starlight is the whole design brief here, and the shell inlay makes each finished dial shift a little differently from the one beside it.
The name goes back to a 2011 original, and this version carries that watch’s world into the new mechanical collection. The template holds from that 2011 watch: a black sky worked by hand, with the stars themselves doing all of the decorating.
A domed ring around the dial deepens the field, and the sky opens up wider when the watch tilts in the hand.
It’s the moodier of the two.
Engraved mother-of-pearl carries the Kojo
The Kojo builds its dial from white mother-of-pearl, cut with fine engraving that fans outward in rays, a picture of the streaks a bright star throws across a dark sky. The name is the phenomenon itself, the bright streaks a hard-burning star throws outward across a clear winter night sky.
The shell’s own shine does half the work here, and the carved lines catch the rest as the wrist turns and the light changes.
Same case, calmer sky.
The Y520 starts in Switzerland and ends up a Campanola
Both watches run the Y520, Citizen’s new mechanical movement, one that starts as a La Joux-Perret development in Switzerland and gets tailored for Campanola alone.
It’s automatic with hand-winding, twenty-nine jewels inside, and a full wind runs about 60 hours before the watch stops.
The rotor wears a radial finish cut to suggest light spreading across the sky, over a deep black finish that stands in for the dark between the stars. The decoration faces backward, toward whoever takes the watch off at night and turns it over just to look at the movement.
The decoration earns the glass back.
| Spec | Detail |
|---|---|
| Reference | NZ4000-56E Amamitsuhoshi · NZ4000-56N Kojo |
| Dial | Black lacquer with mother-of-pearl inlay (56E) · Engraved white mother-of-pearl (56N) |
| Caliber | Citizen Y520, automatic with hand-winding, 29 jewels |
| Power reserve | About 60 hours at full wind |
| Case | Stainless steel, 40.0mm across, 13.9mm thick |
| Glass | Dual spherical sapphire, clarity coating |
| Water resistance | 5 bar |
| Price | ¥825,000 each |
| Edition | 100 pieces (56E) · 70 pieces (56N) |
| On sale | December 3, 2026, Japan |
A 40mm case with a bracelet drawn around it
Campanola shrank the case to 40mm across and 13.9mm thick, then redrew the lugs, the case’s length and the bracelet around the smaller footprint. The bracelet was drawn in the same pass as the case, sized for this watch instead of borrowed from a bigger one in the line.
The bracelet is stainless steel like the case, sized from 118 to 196mm, and it closes with a double-push three-fold clasp.
A dual spherical sapphire with a clarity coating covers the dial, and the stainless case underneath is rated to 5 bar of water resistance. Rain, a splash at the sink and a wet sleeve are the water this watch will ever meet.
Slim enough for a cuff.
Campanola has chased the night sky before. Our look at the Cosmosign AO1032-03L shows a dial carrying a real-time map of 452 stars.
A December 3 sale in Japan, and no route out
The Amamitsuhoshi stops at 100 numbered pieces, the Kojo at 70, and each watch is numbered on its caseback. Japan keeps all 170 of them.
Sales start December 3 in Japan through Citizen flagship stores and Citizen Premium Doors, and the black dial also reaches the brand’s concept shops in the same opening wave. Those stores are taking reservations ahead of the date, and a run this small won’t linger on the shelf.
The tradeoff is plain, though: the craft and the movement are the real thing, and the whole run stays in Japan, behind store counters that most US buyers will never stand at or buy from.
Campanola NZ4000-56N Kojo
Engraved white mother-of-pearl dial · Cal. Y520 automatic · 40mm stainless steel case · Limited to 70 pieces
Price: ¥825,000
Where to buy: More details at Citizen
Buy the Amamitsuhoshi at ¥825,000 if you’ll be in Japan this December, and skip the pair if the import hunt holds no appeal.
