What the label means
"3rd generation clone" is not an official term and no watch brand uses it. In the replica trade it is a seller shorthand for the third batch of an Omega Speedmaster 1957 style watch made by one workshop. On its own the phrase says nothing about accuracy. Batch numbers move for reasons that have little to do with the watch: a new movement supplier, a new case maker, a price change, or a marketing refresh. Two sellers can both advertise a third generation and ship different watches.
speedmaster 1957 3rd generation clone
Treat the phrase as a question, not a fact. The answer you need is a list of parts and measurements, not a generation number.
Know the genuine baseline first
The 1957 Speedmaster, reference CK2915, is the watch most of these clones copy. Its key traits:
- Case about 38.6 mm wide, straight lugs, no crown guards
- Broad arrow hour hand, leaf shaped minute hand
- "Base 1000" tachymeter scale on the bezel
- Calibre 321, a column wheel chronograph movement
- Speedmaster text on the dial with no "Professional" added
A clone sold as third generation should still match every point above. If it does not, the generation number is a distraction.
Speedmaster 1957 3rd Generation Version Guide
What usually changes between batches
- Movement: early batches used a Seagull ST19 manual chronograph. Later ones sometimes use a 321 style column wheel copy.
- Case profile: lug shape, thickness, and the step at the case band are the hardest parts to copy.
- Dial: printing weight, sub dial spacing, and whether the text sits flat or raised.
- Hands: broad arrow shape, length, and finish.
- Bezel: font weight on the tachymeter scale and how the insert sits in the ring.
- Crystal: domed acrylic look against sapphire, and the height above the bezel.
How to check a listing step by step
- Write down the stated case diameter and compare it to 38.6 mm.
- Ask which movement is inside, then look that movement up on its own.
- Request macro photos of the dial text and the bezel scale before you decide.
- Check the lugs in a side photo and look for a step or a bevel.
- Ask for a case back photo and judge the engraving depth.
- Ask about the crown and pusher threads, since these wear first.
- Read the return policy and the payment terms before ordering.
- Compare the total price against a used genuine Speedmaster of a later reference.
Legality and limits
In the United States, importing or selling counterfeit goods is illegal. U.S. Customs and Border Protection can seize shipments, and a seller who ships to you puts you inside that risk. A clone is also not a collectible. It will not hold value, many watchmakers will refuse to service it, and it will not pass as genuine to anyone who has handled a real Speedmaster. Buy it as a novelty with open eyes, or put the money toward a genuine reference.
Quick answer
When a seller says "3rd generation," ask for the case size, the movement model, and macro photos. If those three answers hold up, the generation number stops mattering.