The Bronze Field Guide

Steeldive SD1903S Bronze Pilot

The Steeldive SD1903S Bronze Pilot is a current-production pilot watch with a cusn8 bronze case. It measures 46.5 mm across, 14 mm thick, 54.17 mm lug to lug, and is water resistant to 200 m. Inside is the NH35 japan nh35 automatic movement, with 41 hours power reserve. Complications: Time only. Priced from $229. Brand origin: China.

Bronze pilot watchesCuSn8Skin-safe backPilotUnder $500
Reference
Type
Pilot
Price
$229
Case diameter
46.5 mm
Thickness
14 mm
Lug-to-lug
54.17 mm
Water resistance
200 m
Weight
Origin
China
Movement
Japan NH35 automatic
Caliber
NH35
Power reserve
41 hours
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
Hardness
Construction
Assembled
Surface treatment
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Leather strap with bronze buckle
Ceramic bracelet
Crystal
Sapphire with AR coating
Display back
No
Dial
Flieger dial
Lume
SuperLuminova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Steeldive Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

Similar bronze watches

Alternatives to the Steeldive SD1903S Bronze Pilot

More bronze watches from Steeldive

Frequently asked questions

Is the Steeldive SD1903S Bronze Pilot 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 SD1903S Bronze Pilot?

The Steeldive SD1903S Bronze Pilot has a cusn8 bronze case, though its caseback is steel. This is confirmed against the maker spec.

What size is the Steeldive SD1903S Bronze Pilot?

It is 46.5 mm in diameter, 14 mm thick, 54.17 mm lug to lug, and water resistant to 200 m.

How much does the Steeldive SD1903S Bronze Pilot cost, and is it available?

It is current-production and lists from $229.

All bronze Steeldive watches · Bronze pilot watches · All 180 watches

Learn: Bronze Alloys · Patina · Green Wrist · Bronze vs Steel