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Base Movement

Assembly

The timekeeping calibre: a mainspring barrel drives a geared-up wheel train whose rate is metered by a lever escapement and balance. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Base Movement parts and their functions

8 top-level parts · 8 parts in total · full bill of materials below
Base Movement parts diagram: 1 main plate, 2 mainspring barrel, 3 going train wheels, 4 escape wheel, 5 pallet fork, 6 balance wheel, 7 hairspring, 8 jewel set. 8 parts in 8 top-level items.
Base Movement parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Main Plate 1× Brass main plate
2 Mainspring Barrel 1× Energy store
3 Going Train Wheels 1× Center, third, fourth wheels
4 Escape Wheel 1× Club-toothed wheel released one tooth at a time, converting train torque into impulses for the balance.
5 Pallet Fork 1× Swiss lever
6 Balance Wheel 1× 4 Hz oscillator
7 Hairspring 1× Nivarox-type spiral
8 Jewel Set 1× Synthetic ruby bearings

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Base Movement

8 top-level lines · 8 rows shown · 8 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main Plate chronograph-watch-mainplate 1× 1 · part
2 Mainspring Barrel chronograph-watch-mainspring-barrel 1× 1 · part
3 Going Train Wheels chronograph-watch-train-wheels 1× 1 · part
4 Escape Wheel chronograph-watch-escape-wheel 1× 1 · part
5 Pallet Fork chronograph-watch-pallet-fork 1× 1 · part
6 Balance Wheel chronograph-watch-balance-wheel 1× 1 · part
7 Hairspring chronograph-watch-hairspring 1× 1 · part
8 Jewel Set chronograph-watch-jewel-set 1× 1 · part

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Where the base movement is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks