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Zelos Swordfish 40 Tantalum

Archive · used only

The Zelos Swordfish 40 Tantalum was a 40 mm tantalum dive watch with a Seiko NH35 automatic movement. It is no longer made, so this page is a reference for buying one used.

All Zelos watchesDiver watchesUnder $3,000MicrobrandLightest, rankedMicro-adjust bracelet
Price
$1,499
Material
Tantalum
Grade / type
Tantalum
Weight
125 g
Water resistance
200 m
Type
Diver
Case diameter
40.0 mm
Thickness
12 mm
Lug-to-lug
46 mm
Origin
Singapore
Movement
Automatic
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Date
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Steel
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Bracelet with screw links, flip-lock microadjust clasp
Micro-adjust clasp
Yes
Crystal
Sapphire
Display back
No
Dial
Colour variants
Lume
Super-LumiNova
Availability
No longer offered
Status
Archive (limited edition, sold out)
Not published
Reference, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Sep 2026 Source: Zelos (maker) Spec checksCase material Jul 2026Price Sep 2026 highWeight Jul 2026
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Zelos Swordfish 40 Tantalum made of?

The case is tantalum. The guide has not yet confirmed it on the maker's own page. The caseback is steel, not titanium.

What size is the Zelos Swordfish 40 Tantalum?

The case is 40 mm across, 12 mm thick and 46 mm from lug to lug. It is water resistant to 200 m.

How much does the Zelos Swordfish 40 Tantalum weigh?

About 125 g.

How much does the Zelos Swordfish 40 Tantalum cost, and is it available?

It is no longer made, so the only way to buy one is used. Its list price when it was in production was $1,499.

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