The Bronze Field Guide

OceanX Sharkmaster Bronze

SMB511

The OceanX Sharkmaster Bronze is a current-production diver watch with a cusn8 bronze (copper-tin) case. It measures 44.0 mm across, 15.6 mm thick, 51.9 mm lug to lug, and is water resistant to 500 m. Inside is the Seiko NH35 japanese automatic movement, with 41 hours power reserve. Complications: Date. Priced from $549 (approx). Brand origin: United States.

Bronze diver watchesCuSn8Skin-safe backDivers
Reference
SMB511
Type
Diver
Price
$549 · approx
Case diameter
44.0 mm
Thickness
15.6 mm
Lug-to-lug
51.9 mm
Water resistance
500 m
Weight
Origin
United States
Movement
Japanese automatic
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Date
Ceramic
CuSn8 marine bronze
Colour
Hardness
Construction
Assembled
Surface treatment
Caseback
Steel
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Rubber strap, ceramic dive bezel insert
Ceramic bracelet
Crystal
Sapphire
Display back
No
Dial
Black, coloured ceramic bezel variants (green, blue)
Lume
Super-LumiNova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: OceanX / Serious Watches Maker / listing ↗
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Frequently asked questions

What bronze alloy is the OceanX Sharkmaster Bronze?

The OceanX Sharkmaster Bronze has a cusn8 bronze (copper-tin) case, though its caseback is steel. This is confirmed against the maker spec.

What size is the OceanX Sharkmaster Bronze?

It is 44.0 mm in diameter, 15.6 mm thick, 51.9 mm lug to lug, and water resistant to 500 m.

How much does the OceanX Sharkmaster Bronze cost, and is it available?

It is current-production and lists from $549.

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