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Zenith G.F.J. Calibre 135 Tantalum

98.1865.0135/21.C212

The Zenith G.F.J. Calibre 135 Tantalum is a 39.1 mm tantalum dress watch with a Calibre 135 hand-wound movement.

All Zenith watchesDress watchesUnder 11 mm thickDisplay back
Price
$83,400
Material
Tantalum
Grade / type
Tantalum
Water resistance
50 m
Reference
98.1865.0135/21.C212
Type
Dress
Case diameter
39.1 mm
Thickness
10.5 mm
Origin
Switzerland
Movement
Manual, COSC
Caliber
Calibre 135
Power reserve
72 hours
Complications
Time only
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Sapphire
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Blue nubuck alligator strap, with black alligator and grey calfskin straps included; titanium pin buckle
Crystal
Sapphire
Display back
Yes
Dial
Black onyx centre with a grey nacre small seconds sub-dial, a brick-pattern guilloche sector and diamond markers
Dial colours
Black Grey
Availability
Offered
Status
Current (limited edition of 20)
Not published
Lug-to-lug, Weight, Hardness, Surface treatment, Matching bracelet, Lume
Medium confidence Verified Sep 2026 Source: Zenith (maker) / Zenith press release (G.F.J. in tantalum, 14 April 2026) / Watch Collecting Lifestyle Spec checksCase material Jul 2026Price Jul 2026
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Frequently asked questions

What is the case of the Zenith G.F.J. Calibre 135 Tantalum made of?

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

What size is the Zenith G.F.J. Calibre 135 Tantalum?

The case is 39.15 mm across and 10.5 mm thick. It is water resistant to 50 m.

How much does the Zenith G.F.J. Calibre 135 Tantalum cost, and is it available?

It is in production, at a list price of $83,400.

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