Isotope

Isotope is an independent watch brand from Henfield, United Kingdom, founded in 2016. In its current catalogue, it makes automatic and hand-wound watches, uses other Swiss, ETA, Seiko/TMI and Sellita calibres and has cases from 36 to 50 mm.

At a glance

Origin
Henfield, United Kingdom
Founded
2016
Movement
Automatic and hand-wound
Calibre family
other Swiss, ETA, Seiko/TMI, Sellita
Calibres
Automatic: Seiko NH38, Sellita SW200
Calibre data with support from Carlos Ruiz · @calibre_independente
Case
36–50 mm
Styles
chronograph, dress, field, pilot
Water resistance
up to 300 m
Average list price
$1,300 (half the catalogue between $1,300 and $2,500)
Price on the brand’s website, converted at the exchange rate, excluding taxes, shipping and import costs.
Checked
Oct 16, 2026 on the official website
Source checked
isotopewatches.com/collections/all ↗
In the press
Teddy Baldassarre — The 85 Best Microbrand Watches In 2026 (2026) ↗

Want this brand in Brazil?

Registering interest helps Coroa choose the next brands to import into Brazil, with invoice and local warranty. It is not an order or a reservation.

Where it appears in the guide

Similar brands

Public data read on the brand’s own website and in specialist publications. Spotted an error? Use the “Is this your brand?” button in the guide or see the corrections log. A guide by Coroa, a Brazilian importer of independent watches. How the guide is made →