Omega Seamaster Diver 300M Co‑Axial Master Chronometer 42mm 210.30.42.20.04.001 Super Clone — Reference Guide

Reference 210.30.42.20.04.001 is a Omega Seamaster Diver 300M Co‑Axial Master Chronometer 42mm in a 42 mm case. We build it as a 1:1 super clone with Swiss movement options, priced £434–£869. Every piece ships after QC photo approval, with tracked insured delivery and a 12-month warranty.

Available builds of 210.30.42.20.04.001

QC checklist for 210.30.42.20.04.001

Textured dials (Seamaster waves, Aqua Terra teak) must be physically cut — run a light across them. The helium escape valve on Diver 300M references should be a real screw-down crown, and Speedmaster subdial spacing is the detail most copies miss.

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