The Titanium Field Guide

Konstantin Chaykin Atomic Heart Twins (Wristmon)

Atomic Heart Left Twin / Right Twin

The Konstantin Chaykin Atomic Heart Twins (Wristmon) is a 40 mm titanium watch with a Konstantin Chaykin K.18-25 automatic movement.

All Konstantin Chaykin watchesOther watchesDisplay back
Price
≈$24,029 (CHF 20,000)
Material
Titanium
Grade / type
Titanium
Water resistance
30 m
Reference
Atomic Heart Left Twin / Right Twin
Type
Other
Case diameter
40.0 mm
Thickness
12.9 mm
Origin
Russia
Movement
Automatic
Caliber
Konstantin Chaykin K.18-25 (La Joux-Perret G200 base in an exclusive modification, with the in-house 68-component display module)
Power reserve
68 h
Complications
Time only
Colour
Grey
Surface treatment
Polished and directionally brushed titanium
Finish technology
Natural finish
Caseback
Titanium, sapphire window, six screws
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Exclusive fabric strap with a titanium pin buckle made by the maker
Crystal
Sapphire with anti-reflective coating, plus a separate sapphire crystal over the moon-phase display
Display back
Yes
Dial
Left Twin: red dial with a fan-like grain d'orge guilloché base, the figure shown in silhouette; Right Twin: graphite dial with the figure in relief and applied guilloché cardigan elements. Rotating hour and minute discs with synthetic ruby pointers, and an oversized moon-phase display forming the face
Dial colours
Grey Red
Availability
Offered
Status
Current (limited edition of 69 pieces per Twin, made under licence from Mundfish)
Not published
Lug-to-lug, Weight, Hardness, Construction, Matching bracelet, Lume
Medium confidence Verified Sep 2026 Source: Konstantin Chaykin (maker page) / Monochrome
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Similar watches

Alternatives to the Konstantin Chaykin Atomic Heart Twins (Wristmon)

More watches from Konstantin Chaykin

Frequently asked questions

What grade of titanium is the Konstantin Chaykin Atomic Heart Twins (Wristmon)?

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

What size is the Konstantin Chaykin Atomic Heart Twins (Wristmon)?

The case is 40 mm across and 12.9 mm thick. It is water resistant to 30 m.

How much does the Konstantin Chaykin Atomic Heart Twins (Wristmon) cost, and is it available?

It is in production, at a list price of $24,029.

All Konstantin Chaykin watches · Other watches · All 1,871 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work