Your bench.Your workflow.

Screenshot of inventory management software titled 'Restoration & sales,' showing active items, workflow status, and pending actions for items like Omega and Zenith watches.
Screenshot of inventory management software titled 'Restoration & sales,' showing active items, workflow status, and pending actions for items like Omega and Zenith watches.

Keep customer jobs, restorations, parts, photos, service progress, timegrapher readings and results together in one powerful app.

Mobile app screen showing a service ticket for a device labeled KS-DEL29, with status 'In service' scheduled for July 23, 2026, and a total cost of 282 USD for work order and parts. The screen includes options to create a customer job ticket, send updates, and shows workflow details, with navigation tabs at the bottom labeled Overview, Customers, Items, Parts, and Settings.

For iPhone and macOS


The complete workshop at a glance

Everything your bench needs.
In one place.

From the first intake to the final handover or sale, Mainspring One keeps the work, records and decisions connected.

Two dedicated workspaces

Keep customer jobs and owned restoration projects separate, with familiar tools in both.

Complete watch history

Keep notes, photos, service steps, parts and Timegrapher readings with the watch.

Smart overview pages

See active work, next actions, workshop progress and useful business insights at a glance.

One clear workflow

Follow each watch from intake to completion and always know what needs to happen next.

Customer jobs made easier

Connect customers, watches, approvals, communication, service records and handover.

Restoration & sales

Track purchases, restoration work, costs, listings, delivery, profit and ROI.

Parts & inventory

Organize stock, suppliers, purchase details and movement compatibility in one database.

Guided service flow

Document each service with practical templates, progress tracking and technical results.

Every customer and watch

Find contact details, owned watches and earlier work without searching through separate records.

You choose what to sync and when.

One of the most versatile watchmaking apps for hobbyists and professionals

Mainspring One