A pre-owned Rolex Milgauss costs from about £7,000 for the clear-crystal 116400 in worn condition to £9,000–£11,500 for the green-crystal Z-Blue 116400GV — asking prices as of July 2026. Because Rolex discontinued the Milgauss in 2023, supply is now fixed, and every UK dealer is telling the same story: clean, full-set examples have firmed rather than fallen.
What does a pre-owned Milgauss cost in 2026?
There are really two Milgauss markets. The modern references (2007–2023) are the accessible, wearable ones and trade between roughly £7,000 and £11,500 depending on dial and crystal. The vintage references — the 1019 and, at the very top, the 1950s 6541 — are a different world, running from the high teens to, for a correct 6541, six or seven figures. Keep them apart; a “Milgauss from £X” headline that blends the two is meaningless.
How do the modern references differ?
The 116400GV Z-Blue pairs the electric blue dial with the green-tinted sapphire crystal Rolex made only for this watch, and it is the most sought-after modern version. The 116400GV black dial is the same green crystal with a quieter face. The non-GV 116400 (clear crystal, black or white dial) was discontinued earlier, around 2016, and is the value entry point. The table below keeps each separate, with UK asking prices as of July 2026.
| Segment / dial | Reference | Pre-owned asking (GBP) | Notes |
|---|---|---|---|
| Z-Blue dial, green crystal | 116400GV | £9,000–£11,500 | Most sought-after modern Milgauss; unworn dealer stock asks higher |
| Black dial, green crystal | 116400GV | £8,000–£10,500 | Understated version of the green-crystal watch; floor ~£8,000 worn/no papers |
| Clear crystal (non-GV) | 116400 | £7,500–£9,500 | Value entry; discontinued ~2016; floor ~£7,000 worn/no papers |
| Vintage, smooth bezel | 1019 | £19,000–£40,000+ | No lightning-bolt hand; originality drives the price; 1960–88 |
| Vintage honeycomb, lightning bolt | 6541 | Six figures+ | Blue-chip collector piece; a top example made ~£2m at auction in 2023 |
Why is the Milgauss different from every other Rolex?
Rolex launched the Milgauss in 1956 as an anti-magnetic tool watch for scientists and engineers working near strong magnetic fields — the name combines mille (thousand) and gauss, marking resistance to 1,000 gauss, achieved with a soft-iron shield around the movement. It was famously associated with researchers at institutions such as CERN. Its two quirks are the orange lightning-bolt seconds hand and, on the 116400GV, the green sapphire crystal — the only such crystal Rolex has ever made. Those are the details buyers pay for.
Which examples command a premium?
Among modern watches, unworn or new-old-stock Z-Blue full sets ask up to around £14,000 at UK dealers — a clear premium over the £9,000–£11,500 worn band. In vintage, a correct, unpolished 1019 with box and papers sits at the top of its range, and the 6541 honeycomb with the lightning-bolt hand is the apex of the whole line: a standout example made roughly £2m at auction in May 2023. Those vintage figures are condition- and originality-driven, so treat them as guidance rather than a fixed price.
Has the Milgauss held its value?
The discontinuation in 2023 is the story. With production ended and the green crystal unique to the model, dealers report the clean modern Z-Blue in particular firming rather than sliding, and the vintage references have long been collector territory. That said, values can fall as well as rise, and this is not investment advice — buy the Milgauss because you want the watch, and treat any resilience as a bonus.
What to check before buying
On a modern GV, confirm the green crystal is original and unscratched and that the lightning-bolt hand is correct for the reference. On vintage 1019 and 6541 examples, originality of the dial, hands and bezel is everything — a replaced part can halve the value, so buy from someone who guarantees it. The prices above are wider open-market floors, not Chrono6538’s prices; Chrono6538 sells authenticated, checked and guaranteed watches at a premium to the bare private-market number.
You can see Milgauss listings and the wider Rolex collection at Chrono6538 →
Prices are third-party UK dealer asking prices (Watchfinder & Co, Chrono24 UK, Bob’s Watches and others), gathered as guide values. Last updated July 2026.