The Bronze Field Guide

U-Boat Classico Sommerso Bronze 46

8486

The U-Boat Classico Sommerso Bronze 46 is a current-production diver watch with a bronze (grade not stated) case. It measures 46.0 mm across, 16.5 mm thick, 51 mm lug to lug, and is water resistant to 300 m. Inside is the Sellita/ETA (U-Boat customized) automatic movement, with 44 hours power reserve. Complications: Date. Brand origin: Italy.

Bronze diver watchesDivers
Reference
8486
Type
Diver
Price
–
Case diameter
46.0 mm
Thickness
16.5 mm
Lug-to-lug
51 mm
Water resistance
300 m
Weight
–
Origin
Italy
Movement
Automatic
Caliber
Sellita/ETA (U-Boat customized)
Power reserve
44 hours
Complications
Date
Ceramic
Bronze (grade not stated)
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Bronze
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Brown leather strap
Ceramic bracelet
–
Crystal
Sapphire
Display back
No
Dial
Black
Lume
Super-LumiNova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Maker / Gnomon Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the U-Boat Classico Sommerso Bronze 46?

The U-Boat Classico Sommerso Bronze 46 has a bronze (grade not stated) case with a bronze caseback. This is confirmed against the maker spec.

What size is the U-Boat Classico Sommerso Bronze 46?

It is 46.0 mm in diameter, 16.5 mm thick, 51 mm lug to lug, and water resistant to 300 m.

How much does the U-Boat Classico Sommerso Bronze 46 cost, and is it available?

It is current-production; the guide does not list a price for it.

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