The Bronze Field Guide

San Martin SN042 Bronze Diver

SN042-Q

The San Martin SN042 Bronze Diver is a current-production diver watch with a cusn8 bronze case. It measures 41.0 mm across, 12.5 mm thick, and is water resistant to 200 m. Inside is the PT5000 or Sellita SW200 automatic movement, with 40 hours power reserve. Complications: Time only. Priced from $335. Brand origin: China.

Bronze diver watchesCuSn8DiversUnder $500
Reference
SN042-Q
Type
Diver
Price
$335
Case diameter
41.0 mm
Thickness
12.5 mm
Lug-to-lug
–
Water resistance
200 m
Weight
–
Origin
China
Movement
Automatic
Caliber
PT5000 or Sellita SW200
Power reserve
40 hours
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Bronze
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Retro leather strap or fluoro rubber, 22mm
Ceramic bracelet
–
Crystal
Sapphire
Display back
No
Dial
Black, green, or blue
Lume
Super-LumiNova, retro yellow
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: San Martin Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the San Martin SN042 Bronze Diver?

The San Martin SN042 Bronze Diver has a cusn8 bronze case with a bronze caseback. This is confirmed against the maker spec.

What size is the San Martin SN042 Bronze Diver?

It is 41.0 mm in diameter, 12.5 mm thick, and water resistant to 200 m.

How much does the San Martin SN042 Bronze Diver cost, and is it available?

It is current-production and lists from $335.

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