The Titanium Field GuidePicks of the month

U-Boat Firenze Bronze Diamond

FIBZQR

The U-Boat Firenze Bronze Diamond is a 45 mm bronze watch with a Sellita SW200 automatic movement. At a list price of $7,550, it costs more than 94% of the 205 bronze watches in production.

All U-Boat watchesOther watchesLightest, ranked
Price
$7,550
Material
Bronze
Grade / type
Naturally aged bronze (grade not stated)
Weight
120 g (head only)
Reference
FIBZQR
Type
Other
Case diameter
45.0 mm
Origin
Italy
Movement
Self-winding
Caliber
Sellita SW200 (U-Boat customized)
Power reserve
41 hours
Complications
Time only
Construction
Assembled
Surface treatment
Uncoated, hand-chiselled (naturally aged bronze)
Finish technology
Natural finish
Caseback
Naturally aged bronze (lasered Michelangelo's David, sealed with 7 external screws)
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Black hand-crafted alligator leather strap with a skate-fish insert, handmade naturally aged bronze buckle
Crystal
Sapphire, AR coated
Display back
No
Dial
Naturally aged bronze, lasered, with raised indices and numbers
Dial colours
Bronze
Availability
Offered
Status
Current (1 of 1 special edition)
Not published
Thickness, Lug-to-lug, Water resistance, Colour, Hardness, Matching bracelet, Lume
High confidence Verified Sep 2026 Source: U-Boat Firenze Bronze Diamond, ref FIBZQR (maker)
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

Browse all watch comparisons →

Similar watches

Greco Geneve Les Temps Modernes LTM-26TGreco GeneveLes Temps Modernes LTM-26T$5,88743.0 mm13 mm thickOthersame category · same style · similar price · similar sizeGreco Geneve Les Temps Modernes LTM-80TGreco GeneveLes Temps Modernes LTM-80T$5,88743.0 mm13 mm thickOthersame category · same style · similar price · similar sizeBRM V6-44-SA CercolorBRMV6-44-SA Cercolor$5,91744.0 mm79 gOthersame category · same style · similar price · similar sizeGreco Geneve Les Temps Modernes LTM-22TGreco GeneveLes Temps Modernes LTM-22T$6,24743.0 mm13 mm thickOthersame category · same style · similar price · similar sizeGreco Geneve Les Temps Modernes LTM-25TGreco GeneveLes Temps Modernes LTM-25T$6,24743.0 mm13 mm thickOthersame category · same style · similar price · similar sizeBRM V6-44-SA S-RedBRMV6-44-SA S-Red$6,31144.0 mm79 gOthersame category · same style · similar price · similar sizeZbioland Harry Potter Slytherin Chamber of Secrets (Grade 5 Titanium)ZbiolandHarry Potter Slytherin Chamber of Secrets (Grade 5 Titanium)$6,39046.0 mm10 mm thick76 gOthersame category · same style · similar price · similar sizeBRM V6-44-SA ColorDriveBRMV6-44-SA ColorDrive$6,64944.0 mm79 gOthersame category · same style · similar price · similar size

Alternatives to the U-Boat Firenze Bronze Diamond

Ochs und Junior Anno Sandblasted Annual Calendar (titanium)Ochs und JuniorAnno Sandblasted Annual Calendar (titanium)$6,22042.0 mm11 mm thick51 gOthersame category · same style · similar price · similar sizeZbioland Basilisk Ti-EvoZbiolandBasilisk Ti-Evo$7,30046.0 mm10.8 mm thick76 gOthersame category · same style · similar price · similar sizeBRM V6-44-SA Cercolor SkeletonBRMV6-44-SA Cercolor Skeleton$7,41644.0 mm79 gOthersame category · same style · similar price · similar sizeBRM V6-44 SERT SuzukiBRMV6-44 SERT Suzuki$7,49544.0 mm80 gOthersame category · same style · similar price · similar sizeBRM V6-44-SA Romain AndrioloBRMV6-44-SA Romain Andriolo$7,55144.0 mm80 gOthersame category · same style · similar price · similar sizeBehrens Ultralight 20GBehrensUltralight 20G$7,60042.6 mm20 gOthersame category · same style · similar price · similar size

More watches from U-Boat

U-BoatCapsoil Titanio Chronograph$2,90045.0 mmChronographU-Boat Classico 55 1001 BlueU-BoatClassico 55 1001 Blue$5,25055.0 mm17.3 mm thickOtherU-Boat Profondo 10001 Limited EditionU-BoatProfondo 10001 Limited Edition$5,20046.0 mm27 mm thickDiverU-Boat Capsule 50mm Titanium BK BEU-BoatCapsule 50mm Titanium BK BE$5,60050.0 mmOtherU-Boat Classico 45 Titanium Tungsten GrayU-BoatClassico 45 Titanium Tungsten Gray$5,60045.0 mmChronographU-Boat Classico 45 Titanium Tungsten BlueU-BoatClassico 45 Titanium Tungsten Blue$5,60045.0 mmChronograph

Frequently asked questions

What is the case of the U-Boat Firenze Bronze Diamond made of?

The case is naturally aged bronze (grade not stated). That is confirmed against the maker's specification. The caseback is naturally aged bronze (lasered michelangelo's david, sealed with 7 external screws).

What size is the U-Boat Firenze Bronze Diamond?

The case is 45 mm across.

How much does the U-Boat Firenze Bronze Diamond weigh?

About 120 g for the watch head alone.

How much does the U-Boat Firenze Bronze Diamond cost, and is it available?

It is in production, at a list price of $7,550.

All U-Boat watches · Other watches · All 1,960 watches

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

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

Report an error on this page · how corrections work