The Wristwatch Field Guide

Zelos Swordfish Bronze 300m

The Zelos Swordfish Bronze 300m is a current-production diver watch with a cusn8 marine bronze case. It is priced well under the $1,195 median for the category. The caseback is open, so the movement is visible.

All Zelos watchesExotic-material diver watchesBronzeDiversDisplay backUnder $5,000
Price
$699
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
300 m
Type
Diver
Case diameter
42.0 mm
Thickness
13 mm
Lug-to-lug
48 mm
Origin
Singapore
Movement
Automatic
Caliber
ETA 2892-A2
Complications
Date
Construction
Assembled
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Sold on a strap; no bronze bracelet offered.
Crystal
Sapphire, box style, inner AR coating
Display back
Yes
Dial
Black Sand (representative); other dials on the same bronze case
Dial colours
Black Bronze Champagne
Lume
Super-LumiNova
Availability
Offered
Status
Current (between batches)
Not published
Reference, Weight, Power reserve, Colour, Hardness, Surface treatment, Matching bracelet
High confidence Verified Aug 2026 Source: Zelos (maker) / SeriousWatches Spec checksAlloy Jul 2026Price Jul 2026
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Frequently asked questions

What is the case material of the Zelos Swordfish Bronze 300m?

The Zelos Swordfish Bronze 300m has a cusn8 marine bronze case with a sapphire caseback. This is confirmed against the maker spec.

What size is the Zelos Swordfish Bronze 300m?

It is 42.0 mm in diameter, 13 mm thick, 48 mm lug to lug, and water resistant to 300 m.

How much does the Zelos Swordfish Bronze 300m cost, and is it available?

It is current-production and lists from $699.

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