The Wristwatch Field Guide

Lum-Tec M83 Bronze

The Lum-Tec M83 Bronze is a current-production diver watch with a cusn8 marine bronze case. It measures 44.0 mm across, 13.8 mm thick, 51 mm lug to lug, and is water resistant to 200 m. Inside is the Sellita SW200 automatic movement, with 38 hours power reserve. Complications: Time only. Priced from $1,095. Brand origin: United States.

Titanium, ceramic, and bronze diver watchesBronzeDiversDisplay backUnder $5,000
Reference
Type
Diver
Price
$1,095
Case diameter
44.0 mm
Thickness
13.8 mm
Lug-to-lug
51 mm
Water resistance
200 m
Weight
Origin
United States
Movement
Automatic
Caliber
Sellita SW200
Power reserve
38 hours
Complications
Time only
Material
Bronze
Grade / type
CuSn8 marine bronze
Colour
Hardness
Construction
Assembled
Surface treatment
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Brown suede plus molded rubber strap; no bronze bracelet.
Matching bracelet
Crystal
Curved low-dome sapphire, military-grade AR
Display back
Yes
Dial
Black (representative)
Lume
Lum-Tec MDV Super-LumiNova
Availability
Offered
Status
Current (between batches), limited series of 100
High confidence Verified Jul 2026 Source: Lum-Tec (maker) / Sportique Maker / listing ↗
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Frequently asked questions

What is the case material of the Lum-Tec M83 Bronze?

The Lum-Tec M83 Bronze has a cusn8 marine bronze case with a sapphire caseback. This is confirmed against the maker spec.

What size is the Lum-Tec M83 Bronze?

It is 44.0 mm in diameter, 13.8 mm thick, 51 mm lug to lug, and water resistant to 200 m.

How much does the Lum-Tec M83 Bronze cost, and is it available?

It is current-production and lists from $1,095.

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