WatchOtaku : Soprod A-10

The Soprod 'Alternance 10' or A-10 is a very high end mechanical movement, reputedly much better than the ETA 2892:

(Image credit: Soprod)

(Image credit: Dan Fock)

Specs

• 25.6mm by 3.6mm, 11.5 ligne
• Automatic, bidirectional winding
• Quickset date at 3h
• 25 jewels, Incabloc
• hacking and Handwinding
• Adjusted to 4 positions
• Power reserve 42 hours
• 28,800 vph

Options include big date, visible balance and various customizations. Soprod is one of the very few Swiss movement makers who'll sell in small quantities, which makes this a good choice if you're starting a watch company.

Watches using the A-10 include Sarpaneva, Schofield Signalman, OWC MS-5517, OWC MS-9411, Sinn T1 and T2, and others, often high-end.

Links

• Product page
• Start with this excellent page on Horozima
• Dan's spec page
• Also seen in expensive watches like the Sarpaneva Korona.
• More info on Soprod on this thread.

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