The Bronze Field Guide

Steeldive SD1928S Germany CuSn8 Bronze Pilot

The Steeldive SD1928S Germany CuSn8 Bronze Pilot is a current-production pilot watch with a cusn8 bronze case. It measures 39.0 mm across, 12.8 mm thick, 49 mm lug to lug, and is water resistant to 200 m. Inside is the Seiko NH35 automatic movement, with 41 hours power reserve. Complications: Time only. Priced from $139. Brand origin: China.

Bronze pilot watchesCuSn8Skin-safe backPilotUnder $500
Reference
–
Type
Pilot
Price
$139
Case diameter
39.0 mm
Thickness
12.8 mm
Lug-to-lug
49 mm
Water resistance
200 m
Weight
–
Origin
China
Movement
Automatic
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Steel
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Leather or rubber strap; 316L stainless steel screwback caseback
Ceramic bracelet
–
Crystal
Sapphire, AR coating
Display back
No
Dial
Flieger-style black
Lume
Swiss C3 green
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Watchdives / Steeldive Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

What bronze alloy is the Steeldive SD1928S Germany CuSn8 Bronze Pilot?

The Steeldive SD1928S Germany CuSn8 Bronze Pilot has a cusn8 bronze case, though its caseback is steel. This is confirmed against the maker spec.

What size is the Steeldive SD1928S Germany CuSn8 Bronze Pilot?

It is 39.0 mm in diameter, 12.8 mm thick, 49 mm lug to lug, and water resistant to 200 m.

How much does the Steeldive SD1928S Germany CuSn8 Bronze Pilot cost, and is it available?

It is current-production and lists from $139.

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