U-Boat Roma Bronze Diamond

The U-Boat Roma 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.

4 official photos · reader photos welcome

Price

$7,550

Material

Bronze

Grade / type

Naturally aged bronze (grade not stated)

Weight

112 g (head only)

Reference

RMBZQR

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 Lupa Capitolina, 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 Roma Bronze Diamond, ref RMBZQR (maker)

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