The Titanium Field GuidePicks of the month

Hublot Square Bang Unico All Black Diamonds 42mm

821.CX.0140.RX.1200

The Hublot Square Bang Unico All Black Diamonds 42mm is a 42 mm ceramic chronograph with an HUB1280 automatic movement.

All Hublot watchesChronograph watches
Price
$34,800
Material
Ceramic
Grade / type
Microblasted and Polished Black Ceramic
Water resistance
100 m
Reference
821.CX.0140.RX.1200
Type
Chronograph
Case diameter
42.0 mm
Origin
Switzerland
Movement
HUB1280 UNICO Manufacture Self-winding Chronograph Flyback Movement with Column Wheel
Caliber
HUB1280
Power reserve
Approx. 72 Hours
Complications
Chronograph, Date
Colour
Black
Construction
Assembled
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Black decorated rubber; Black ceramic and Black Titane Deployant Buckle
Crystal
Sapphire
Dial
Sapphire Crystal Dial
Availability
Offered
Status
Current
Not published
Thickness, Lug-to-lug, Weight, Hardness, Surface treatment, Caseback, Matching bracelet, Display back, Lume
High confidence Verified Oct 2026 Source: Hublot (maker) product page
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Frequently asked questions

What is the case of the Hublot Square Bang Unico All Black Diamonds 42mm made of?

The case is microblasted and polished black ceramic. That is confirmed against the maker's specification.

What size is the Hublot Square Bang Unico All Black Diamonds 42mm?

The case is 42 mm across. It is water resistant to 100 m.

How much does the Hublot Square Bang Unico All Black Diamonds 42mm cost, and is it available?

It is in production, at a list price of $34,800.

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