The Bronze Field Guide

Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M

SEIZENN-PURE-BRONZE-600M

The Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M is a current-production diver watch with a cusn8 bronze case. It is priced well under the $599 median for the category.

All Merkur watchesBronze diver watchesCuSn8Skin-safe backDiversUnder $500
Price
$249
Alloy
CuSn8 marine bronze
Water resistance
600 m
Caseback
Steel
Reference
SEIZENN-PURE-BRONZE-600M
Type
Diver
Case diameter
44.0 mm
Thickness
14 mm
Origin
China
Movement
Automatic 3-hand
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Time only
Construction
Assembled
Nickel-free
No (steel contact)
Bracelet / strap
Leather strap with bronze buckle
Crystal
Sapphire
Display back
No
Dial
Blue, green, black
Dial colours
Black Blue Green
Lume
Swiss C3 Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Colour, Hardness, Surface treatment, Bronze bracelet
High confidence Verified Jul 2026 Source: Merkur / Grmontre
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

Is the Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M nickel-free?

No. At least one part that touches the skin is nickel-bearing steel (commonly the caseback or clasp), so the guide does not mark it nickel-free.

What bronze alloy is the Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M?

The Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M has a cusn8 bronze case, though its caseback is steel. This is confirmed against the maker spec.

What size is the Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M?

It is 44.0 mm in diameter, 14 mm thick, and water resistant to 600 m.

How much does the Merkur SEIZENN Pure Bronze CuSn8 Pro Diver 600M cost, and is it available?

It is current-production and lists from $249.

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