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The Best Microbrand Watches to Buy for September 2025

Earthen Co Summit Whiteout & Bluebird

Earthen Co Summit Whiteout
Earthen Co Summit Bluebird

If you’re after a white, ceramic-cased watch at an affordable price, look no further than Earthen Co’s Summit Whiteout & Bluebird. At 38mm x 10mm, its field style draws obvious comparisons to the IWC’s Pilot’s watches and although it lacks the refinement of the Schaffhausen version, it’s literally under a 10th of the price. The Blue Bird also has a full-lume dial to boot.

Price and Specs:

Model: Earthen Co Summit Whiteout & Bluebird
Case: 38mm diameter x 10mm thickness , ceramic
Dial: Blavk (Summit Whiteout), Full lume (Bluebird)
Water resistance: 100m (10 bar)
Movement: Miyota 9039, automatic
Frequency: 28,800 vph (4 Hz)
Power reserve: 42h
Functions: Hours, minutes, seconds
Price: £672

More details at Earthen Co.

Isotope x Oracle Time Mercury Vitreous Green & Orange

Isotope x Oracle Time Mercury Vitreous

Our collaboration with Isotope is here! And for the Mercury Vitreous Green & Orange the British brand launch their first fired enamel. The minty green is paired with a matte sandblasted 38mm steel case, grey strap and buckle while the fiery orange uses contrasting black PVD to make the colour pop.

Price and Specs:

Model: Isotope x Oracle Time Mercury Vitreous Green & Orange
Case: 38mm diameter, stainless steel (Green), black PVD steel (Orange)
Dial: Fired enamel (Vitreous Green, Orange)
Water resistance: 100m (10 bar)
Movement: Isotope calibre I-7, (base: ETA Peseux 7001), manual winding
Frequency: 21,600 vph (3 Hz)
Power reserve: 42h
Functions: Hours, minutes, seconds
Strap: Grey strap and buckle (Green), Black strap (Orange)
Price: £2,775

More details at Isotope.

Loresum LS06 Charoite

Loresum LS06 - Charoite
Loresum LS06 - Charoite

Stone dials are ten a penny these days, but a watch dial with the Siberian silica mineral charoite, that’s a little rarer. Enter the Loresum LS06, an elliptical cased watch with small seconds display powered by a micro-rotor movement and neatly sized at 39mm x 35.5mm. It’s a charming dress watch collection.

Price and Specs:

Model: Loresum LS06 Charoite
Case: 35.5mm width x 39.5mm height x 9.4mm thickness, stainless steel
Dial: Charoite stone
Water resistance: 30m (3 bar)
Movement: Hangzhou calibre HZ5000a, automatic, micro-rotor
Frequency: 28,800 vph (4 Hz)
Power reserve: 42h
Functions: Hours, minutes, seconds
Price: £420

More details at Loresum.

Sartory-Billard Ghost Silicon

Sartory-Billard Ghost Silicon

For 2025 Sartory Billard upgrade their monochromatic Ghost collection with a pure silicon mirror dial. It’s similar in style to the Isotope Mercury Revolution collab in the sense that the dial is constantly changing according to its surroundings but this version uses the high-tech usually found in watches’ hairsprings.

Price and Specs:

Model: Sartory-Billard Ghost Silicon
Case: 39.5mm diameter, stainless steel
Dial: Pure silicon mirror
Movement: La Joux-Perret calibre G101, automatic
Frequency: 28,800 vph (4 Hz)
Power reserve: 68h
Functions: Hours, minutes, seconds
Strap: Stainless steel bracelet
Price: €3,750 (rubber, approx. £3,252), €4,150 (bracelet, approx. £3,599)

More details at Sartory-Billard.

Sarnowski Y Sgowt

Sarnowski Y Sgowt

The second release from Welsh watch brand Sarnowski, the Y Sgowt combines a 39mm steel case with layered metal finishing and natural stone dials in amethyst or lapis lazuli. The Miyota 9039 inside is heavily customised with a sunray finish, gold plating, Welsh dragon motifs and a rotor inspired by a Roman horse bridle mount.

Price and Specs:

Model: Sarnowski Y Sgowt
Case: 39mm diameter, stainless steel
Dial: Amethyst, Lapis lazuli
Water resistance: 100m (10 bar)
Movement: Miyota 9039, automatic (customised)
Frequency: 28,800 vph (4 Hz)
Power reserve: 42h
Functions: Hours, minutes, seconds
Strap: Stainless steel bracelet
Price: £550

More details at Sarnowski.

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About the author

Tom Pettit

Tom is the co-founder of Oracle Time and leads its creative direction. He’s drawn to utilitarian watches, bold colour palettes, and design that does something different, with tastes shaped by the outdoors, sport, adventure, futurism, and mid-century modern design, from Ercol furniture to the Pacific Northwest modern. His collection is varied, but he’s still saving for his grail: the Laurent Ferrier Sport Auto Blue Titanium.