This is the Steel Pusher fitted to the Speedmaster 125 Chronograph 178.0002.
These are Omega supplied service pushers for the calibre c.1041.
Case references 178,0002, 178.0003.
Specification
5.00mm x 2.50mm x 9.30mm.
Omega Speedmaster 086st0031 125th Watch Pusher Steel 178.0002
SKU: 086st0031
£99.99Price
