U-Boat Firenze Bronze Diamond
The U-Boat Firenze Bronze Diamond is a current-production watch with a naturally aged bronze (grade not stated) case, finished with uncoated, hand-chiselled (naturally aged bronze). At 120 g it sits among the heavier watches in the guide, and is priced well above the $1,435 median across the guide.

- 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
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Frequently asked questions
What is the case material of the U-Boat Firenze Bronze Diamond?
The U-Boat Firenze Bronze Diamond has a naturally aged bronze (grade not stated) case with a naturally aged bronze (lasered michelangelo's david, sealed with 7 external screws) caseback. This is confirmed against the maker spec.
What size is the U-Boat Firenze Bronze Diamond?
It is 45.0 mm in diameter.
How much does the U-Boat Firenze Bronze Diamond weigh?
About 120 g (head).
How much does the U-Boat Firenze Bronze Diamond cost, and is it available?
It is current-production and lists from $7,550.
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