The Wristwatch Field Guide

Tudor Black Bay 58 Bronze

M79012M

The Tudor Black Bay 58 Bronze is a current-production diver watch with a aluminium bronze case. It measures 39.0 mm across, 11.9 mm thick, 47 mm lug to lug, and is water resistant to 200 m. Inside is the MT5400 in-house automatic (cosc) movement, with 70 hours power reserve. Complications: Time only. Priced from $4,725 (approx). Brand origin: Switzerland.

Titanium, ceramic, and bronze diver watchesBronzeDiversDisplay backUnder $5,000
Reference
M79012M
Type
Diver
Price
$4,725 · approx
Case diameter
39.0 mm
Thickness
11.9 mm
Lug-to-lug
47 mm
Water resistance
200 m
Weight
Origin
Switzerland
Movement
In-house automatic (COSC)
Caliber
MT5400
Power reserve
70 hours
Complications
Time only
Material
Bronze
Grade / type
Aluminium bronze
Colour
Hardness
Construction
Assembled
Surface treatment
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Bronze bracelet (rare bronze bracelet), also brown fabric strap
Matching bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Gradient brown-bronze
Lume
Super-LumiNova
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: Tudor / Teddy Baldassarre Maker / listing ↗
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Frequently asked questions

What is the case material of the Tudor Black Bay 58 Bronze?

The Tudor Black Bay 58 Bronze has a aluminium bronze case with a sapphire caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Tudor Black Bay 58 Bronze?

It is 39.0 mm in diameter, 11.9 mm thick, 47 mm lug to lug, and water resistant to 200 m.

How much does the Tudor Black Bay 58 Bronze cost, and is it available?

It is current-production and lists from $4,725.

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