Undone × Cinnamoroll - Starry Marshmallow
$260536
40 mm30 m WRMineral
The Sensei's take
The UNDONE × Cinnamoroll Starry Marshmallow is a charming piece perfect for fans of playful aesthetics. Its unique customization options and light blue design set it apart while providing solid functionality. At this price point, it offers great value for a fashion-forward watch.
Is this watch your kind of thing?
One vote per visitor — see how the community feels.
Dreamy Star Collection “Starry Marshmallow” Cinnamoroll floats gently through the starry sky, gathering sparkling fragments of stars— not to make wishes come true, but to weave dreams into the watch. Soft like a cloud, sparkling like a star. The “UNDONE × Cinnamoroll Watch – Starry Marshmallow” is a quartz watch featuring a light blue dial with a constellation design and a comfortable leather strap that enhances its charm. Cancellations and returns are not accepted (except in the case of initial defects). This product is not eligible for discount coupons.
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At a glance
Strengths & trade-offs
Pulled straight from the spec sheet, framed for the buyer. The editorial verdict is the Sensei's take above.
Strengths
- Versatile 40mm case
- Luminous dial and hands
Trade-offs
- Limited water resistance (30m)
- Mineral crystal — scratches more easily than sapphire
Sensei Says
The specs, in plain English
On the wrist
At 40 mm it lands in the modern sweet spot.
The value
Fairly priced for what it is.
On the wrist
How will this watch fit me?
Enter your wrist size once — we'll remember it — and the Sensei estimates the fit from the case measurements.
Wrist circumference
Preferred fit
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Specifications
- Reference
- COL-CIN-STA-Z07
- Released
- 2026
- Production
- Current production
- Case diameter
- 40 mm
- Thickness
- 12.7 mm
- Lug width
- 20 mm
- Case shape
- Round
- Case material
- 316L stainless steel
- Water resistance
- 30 m
- Crystal
- Mineral
- Bezel
- None
- Caseback
- Exhibition
- Dial colour
- light blue
- Dial finish
- Sandblast
- Indices
- none
- Lume
- Yes — superluminova
- Strap / bracelet
- leather
- Clasp
- pin buckle
- Functions
- Time, Chronograph
- Fit
- Unisex
The maker
UNDONE
UNDONE believes that watches are more than mere timepieces; they are reflections of individuality and stories. The brand emphasizes the fusion of craftsmanship with user creativity, pushing the boundaries of traditional watch design.
Alternatives worth a look
Cheaper alternative
$35 less
Smaller alternative
6.0mm smaller
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