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 under the $4,395 median for the category. The caseback is open, so the movement is visible.

1 official photo · reader photos welcome
Price
$3,716
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
- Nickel-free
- Not verified (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 Aug 2026
Source: Isotope (maker product page)
Spec checksGrade Jul 2026Price Aug 2026
Suggested by u/Potential-Peace6416
Facts are free to cite with a link.
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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 $3,716.
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