The Titanium Field Guide

Steeldive SD1943S Solid Bronze Screws Design

The Steeldive SD1943S Solid Bronze Screws Design is a 45 mm bronze watch with an NH35 automatic movement. Rated to 1,000 m, it goes deeper than 91% of the 375 bronze watches in the guide.

All Steeldive watchesOther watchesUnder $500Microbrand
Price
$339
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
1000 m
Type
Other
Case diameter
45.0 mm
Thickness
15.6 mm
Lug-to-lug
52.5 mm
Origin
China
Movement
Japan NH35 automatic
Caliber
NH35
Power reserve
41 hours
Complications
Date
Construction
Assembled
Finish technology
Natural finish
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Leather strap
Crystal
Sapphire with AR coating
Display back
No
Dial
Green
Dial colours
Green
Lume
Swiss C3 Super-LumiNova (green)
Availability
Offered
Status
Current (between batches)
Not published
Reference, Weight, Colour, Hardness, Surface treatment, Matching bracelet
High confidence Verified Oct 2026 Source: Steeldive (maker store)
Facts are free to cite with a link.
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Frequently asked questions

Is the Steeldive SD1943S Solid Bronze Screws Design nickel-free?

No. The caseback is steel, and steel carries nickel, so the guide does not list it as nickel-free.

What is the case of the Steeldive SD1943S Solid Bronze Screws Design made of?

The case is cusn8 marine bronze. That is confirmed against the maker's specification. The caseback is steel, not titanium.

What size is the Steeldive SD1943S Solid Bronze Screws Design?

The case is 45 mm across, 15.6 mm thick and 52.5 mm from lug to lug. It is water resistant to 1,000 m.

How much does the Steeldive SD1943S Solid Bronze Screws Design cost, and is it available?

It is in production, at a list price of $339.

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