The Bronze Field Guide

San Martin SN047 Bronze Diver

SN047-B-Q

The San Martin SN047 Bronze Diver is a current-production diver watch with a cusn8 bronze case. It measures 44.0 mm across, 13.5 mm thick, 47 mm lug to lug, and is water resistant to 200 m. Inside is the Seiko NH35A automatic movement. Complications: Time only. Priced from $227. Brand origin: China.

Bronze diver watchesCuSn8DiversUnder $500
Reference
SN047-B-Q
Type
Diver
Price
$227
Case diameter
44.0 mm
Thickness
13.5 mm
Lug-to-lug
47 mm
Water resistance
200 m
Weight
–
Origin
China
Movement
Automatic
Caliber
Seiko NH35A
Power reserve
–
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Horween leather or fluoro rubber, 20mm, bronze buckle
Ceramic bracelet
–
Crystal
Sapphire
Display back
No
Dial
Enamel blue, enamel green, or black sunray
Lume
SLN C3 green
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 SN047 Bronze Diver?

The San Martin SN047 Bronze Diver has a cusn8 bronze case. This is confirmed against the maker spec.

What size is the San Martin SN047 Bronze Diver?

It is 44.0 mm in diameter, 13.5 mm thick, 47 mm lug to lug, and water resistant to 200 m.

How much does the San Martin SN047 Bronze Diver cost, and is it available?

It is current-production and lists from $227.

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