The Wristwatch Field Guide

Steeldive SD1953S Bronze Sub

The Steeldive SD1953S Bronze Sub is a current-production diver watch with a cusn8 marine bronze case. It measures 41.0 mm across, 13.5 mm thick, 48 mm lug to lug, and is water resistant to 300 m. Inside is the NH35 japan nh35 automatic movement, with 41 hours power reserve. Complications: Date. Priced from $169. Brand origin: China.

Titanium, ceramic, and bronze diver watchesBronzeDiversUnder $5,000
Reference
–
Type
Diver
Price
$169
Case diameter
41.0 mm
Thickness
13.5 mm
Lug-to-lug
48 mm
Water resistance
300 m
Weight
–
Origin
China
Movement
Japan NH35 automatic
Caliber
NH35
Power reserve
41 hours
Complications
Date
Material
Bronze
Grade / type
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Strap with bronze buckle
Matching bracelet
–
Crystal
Sapphire with AR coating
Display back
No
Dial
Black dial
Lume
SuperLuminova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Steeldive Maker / listing ↗
Facts are free to cite with a link.
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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 is the case material of the Steeldive SD1953S Bronze Sub?

The Steeldive SD1953S Bronze Sub has a cusn8 marine 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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