The Bronze Field Guide

Ralf Tech Academie Automatic Bronze Roadking

ACY 1307

The Ralf Tech Academie Automatic Bronze Roadking is a current-production dress watch with a cual8 aluminium bronze case. It measures 41.0 mm across, and is water resistant to 200 m. Inside is the RTA003 swiss automatic movement, with 40 hours power reserve. Complications: Time only. Brand origin: France.

Bronze dress watchesAluminium bronze
Reference
ACY 1307
Type
Dress
Price
– · approx
Case diameter
41.0 mm
Thickness
–
Lug-to-lug
–
Water resistance
200 m
Weight
–
Origin
France
Movement
Swiss automatic
Caliber
RTA003
Power reserve
40 hours
Complications
Time only
Ceramic
Aluminium bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Vintage calfskin leather plus Tropic silicone
Ceramic bracelet
–
Crystal
Box sapphire, AR, 2.5mm
Display back
No
Dial
Matte black
Lume
Super-LumiNova Old Radium
Availability
Offered
Status
Current (limited edition of 100)
High confidence Verified Jul 2026 Source: Ralf Tech 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 Ralf Tech Academie Automatic Bronze Roadking?

The Ralf Tech Academie Automatic Bronze Roadking has a cual8 aluminium bronze case. This is confirmed against the maker spec.

What size is the Ralf Tech Academie Automatic Bronze Roadking?

It is 41.0 mm in diameter, and water resistant to 200 m.

How much does the Ralf Tech Academie Automatic Bronze Roadking cost, and is it available?

It is current-production; the guide does not list a price for it.

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