The Bronze Field Guide

Steeldive SD1953S Bronze Sub

The Steeldive SD1953S Bronze Sub is a current-production diver watch with a cusn8 bronze case. It is priced well under the $599 median for the category.

All Steeldive watchesBronze diver watchesCuSn8Skin-safe backDiversUnder $500
Price
$169
Alloy
CuSn8 marine bronze
Water resistance
300 m
Caseback
Steel
Type
Diver
Case diameter
41.0 mm
Thickness
13.5 mm
Lug-to-lug
48 mm
Origin
China
Movement
Japan NH35 automatic
Caliber
NH35
Power reserve
41 hours
Complications
Date
Construction
Assembled
Nickel-free
No (steel contact)
Bracelet / strap
Strap with bronze buckle
Crystal
Sapphire with AR coating
Display back
No
Dial
Black dial
Dial colours
Black
Lume
SuperLuminova
Availability
Offered
Status
Current
Not published
Reference, Weight, Colour, Hardness, Surface treatment, Bronze bracelet
High confidence Verified Jul 2026 Source: Steeldive
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

Is the Steeldive SD1953S Bronze Sub nickel-free?

No. At least one part that touches the skin is nickel-bearing steel (commonly the caseback or clasp), so the guide does not mark it nickel-free.

What bronze alloy is the Steeldive SD1953S Bronze Sub?

The Steeldive SD1953S Bronze Sub has a cusn8 bronze case, though its caseback is steel. This is confirmed against the maker spec.

What size is the Steeldive SD1953S Bronze Sub?

It is 41.0 mm in diameter, 13.5 mm thick, 48 mm lug to lug, and water resistant to 300 m.

How much does the Steeldive SD1953S Bronze Sub cost, and is it available?

It is current-production and lists from $169.

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