The Titanium Field Guide

Konstantin Chaykin Joker Fiat Lux (Wristmon)

Archive · used only

The Konstantin Chaykin Joker Fiat Lux (Wristmon) was a 40 mm titanium watch with a Konstantin Chaykin K.18-21 automatic movement. It is no longer made, so this page is a reference for buying one used.

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Material
Titanium
Grade / type
Titanium
Type
Other
Case diameter
40.0 mm
Thickness
12.1 mm
Origin
Russia
Movement
Automatic
Caliber
Konstantin Chaykin K.18-21 (ETA 2892A2 base, modified, with the in-house Joker-indication module)
Power reserve
42 h
Complications
Time only
Colour
Grey
Surface treatment
Titanium
Finish technology
Natural finish
Caseback
Sapphire display
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Black alligator strap with green calfskin lining and a titanium pin buckle
Crystal
Sapphire with anti-reflective coating
Display back
Yes
Dial
Skeletonised, with silver plating, black coating and Clous de Paris guilloché, showing the Joker-indication module from the dial side; hour and minute hands on the eye discs and a moon-phase mouth
Dial colours
Black Silver
Availability
No longer offered
Status
Archive (limited edition of 38 pieces, 2024, sold exclusively through West Wood Time, Beijing; the maker's page for it carries no price or order route, where the references it currently sells (Atomic Heart Twins, Panda Titanium) carry both)
Not published
Reference, Price, Lug-to-lug, Water resistance, Weight, Hardness, Construction, Matching bracelet, Lume
Medium confidence Verified Sep 2026 Source: Konstantin Chaykin (maker page) / Monochrome
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Frequently asked questions

What grade of titanium is the Konstantin Chaykin Joker Fiat Lux (Wristmon)?

Titanium, with no grade stated. The caseback is sapphire display. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Konstantin Chaykin Joker Fiat Lux (Wristmon)?

The case is 40 mm across and 12.1 mm thick.

How much does the Konstantin Chaykin Joker Fiat Lux (Wristmon) cost, and is it available?

It is no longer made, so the only way to buy one is used.

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