The Titanium Field Guide

Isotope Moonshot Chronograph Thunderclap

The Isotope Moonshot Chronograph Thunderclap is a current-production chronograph watch with a grade 5 titanium case, finished with sand-blasted. It is priced above the $3,300 median for the category. The caseback is open, so the movement is visible.

All Isotope watchesWatch chronograph watchesMicrobrandGrade 5 titaniumTitanium bracelet availableDisplay back
Price
$3,723
Material
Titanium
Grade / type
Grade 5
Water resistance
100 m
Type
Chronograph
Case diameter
41.0 mm
Thickness
15 mm
Lug-to-lug
49.5 mm
Origin
United Kingdom
Movement
Automatic chronograph
Caliber
Valjoux 7753
Power reserve
44 hours
Complications
Chronograph
Colour
Grey
Surface treatment
Sand-blasted
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Grade 5 titanium bracelet or FKM strap
Matching bracelet
Optional (or strap)
Crystal
Double-domed sapphire, AR
Display back
Yes
Dial
Embossed grey with metallic purple Moondiscs
Dial colours
Grey Purple
Lume
Super-LumiNova X1
Availability
Offered
Status
Pre-order, limited to 30 pieces
Not published
Reference, Weight, Hardness, Construction, Caseback
High confidence Verified Sep 2026 Source: Isotope (maker product page) Spec checksGrade Jul 2026Price Sep 2026 Suggested by u/Potential-Peace6416
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Frequently asked questions

What is the case material of the Isotope Moonshot Chronograph Thunderclap?

The Isotope Moonshot Chronograph Thunderclap has a grade 5 titanium case. This is confirmed against the maker spec.

What size is the Isotope Moonshot Chronograph Thunderclap?

It is 41.0 mm in diameter, 15 mm thick, 49.5 mm lug to lug, and water resistant to 100 m.

How much does the Isotope Moonshot Chronograph Thunderclap cost, and is it available?

It is current-production and lists from $3,723.

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