The Wristwatch Field Guide

Nethuns Lava Bronze (LB112)

The Nethuns Lava Bronze (LB112) is a current-production diver watch with a cusn8 marine bronze case. It measures 45.0 mm across, 16.25 mm thick, 50.5 mm lug to lug, and is water resistant to 500 m. Inside is the Seiko NH35 automatic movement, with 40 hours power reserve. Complications: Time only. Priced from $430 (approx). Brand origin: Italy.

Titanium, ceramic, and bronze diver watchesBronzeDiversUnder $5,000
Reference
–
Type
Diver
Price
$430 · approx
Case diameter
45.0 mm
Thickness
16.25 mm
Lug-to-lug
50.5 mm
Water resistance
500 m
Weight
–
Origin
Italy
Movement
Automatic
Caliber
Seiko NH35
Power reserve
40 hours
Complications
Time only
Material
Bronze
Grade / type
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Monobloc
Surface treatment
–
Caseback
Bronze
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather/canvas band with bronze fishtail buckle; no bronze bracelet.
Matching bracelet
–
Crystal
Sapphire, 3.5mm, AR coating
Display back
No
Dial
Green sandwich dial (representative)
Lume
Super-LumiNova sandwich dial
Availability
Offered
Status
Current (between batches)
High confidence Verified Jul 2026 Source: Nethuns (maker) / SeriousWatches Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Nethuns Lava Bronze (LB112)?

The Nethuns Lava Bronze (LB112) has a cusn8 marine bronze case with a bronze caseback. This is confirmed against the maker spec.

What size is the Nethuns Lava Bronze (LB112)?

It is 45.0 mm in diameter, 16.25 mm thick, 50.5 mm lug to lug, and water resistant to 500 m.

How much does the Nethuns Lava Bronze (LB112) cost, and is it available?

It is current-production and lists from $430.

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