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.

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Price

$4,370

Titanium

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

Case shape

Round

Case colour

Natural / grey

Finish technology

Natural finish

Surface treatment

Sand-blasted

Nickel-free

Not verified (contact-point materials not all confirmed)

Bracelet / strap

Grade 5 titanium bracelet or FKM strap

Titanium 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, Caseback Help verify

High confidence Verified Jul 2026 Source: Isotope (maker product page) Maker / listing ↗ Suggested by u/Potential-Peace6416

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