The Titanium Field Guide

Hublot Big Bang Original Unico Titanium 43mm

431.NX.1370.RX

The Hublot Big Bang Original Unico Titanium 43mm is a 43 mm titanium chronograph with a Hublot HUB1280 Unico automatic movement.

All Hublot watchesChronograph watchesDisplay back
Price
≈$20,304 (CHF 16,900)
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
100 m
Reference
431.NX.1370.RX
Type
Chronograph
Case diameter
43.0 mm
Thickness
13.2 mm
Origin
Switzerland
Movement
Automatic, integrated chronograph
Caliber
Hublot HUB1280 Unico
Power reserve
72 h
Complications
Chronograph, Date
Colour
Grey
Surface treatment
Satin and polished
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Interchangeable black structured rubber strap with lozenge pattern
Crystal
Sapphire, AR coated
Display back
Yes
Dial
Stamped chequered pattern emulating carbon fibre
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Hardness, Construction, Matching bracelet, Lume
Medium confidence Verified Aug 2026 Source: Monochrome, Big Bang Original Unico collection / Hublot (maker) product page
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Similar watches

Alternatives to the Hublot Big Bang Original Unico Titanium 43mm

More watches from Hublot

Frequently asked questions

What grade of titanium is the Hublot Big Bang Original Unico Titanium 43mm?

Titanium, with no grade stated. The caseback is titanium too. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Hublot Big Bang Original Unico Titanium 43mm?

The case is 43 mm across and 13.2 mm thick. It is water resistant to 100 m.

How much does the Hublot Big Bang Original Unico Titanium 43mm cost, and is it available?

It is in production, at a list price of $20,304.

All Hublot watches · Chronograph watches · All 1,871 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work