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Live · checked today · 3 UK retailers tracked
Callaway Great BIG Bertha Iron Set — Generation Unknown vs Callaway X-20 Tour Iron Set
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway Great BIG Bertha Iron Set — Generation Unknown is currently £129.99 used, while Callaway X-20 Tour Iron Set is currently £129.99 used. Against tracked history, Callaway Great BIG Bertha Iron Set — Generation Unknown is at its lowest tracked price and Callaway X-20 Tour Iron Set is at its lowest tracked price. Callaway Great BIG Bertha Iron Set — Generation Unknown is currently available from 1 UK retailer, versus 2 for Callaway X-20 Tour Iron Set.
Callaway
Callaway Great BIG Bertha Iron Set — Generation Unknown
from £129.99
at UK Used Golf Clubs · 1 retailer
Lowest £120 · good time to buy
Callaway
Callaway X-20 Tour Iron Set
from £129.99
at Nearly New Golf Clubs · 2 retailers
Lowest £130 · lowest price we’ve seen
Discount vs RRP
Price vs usual
Where to buy
Callaway Great BIG Bertha Iron Set — Generation Unknown
Where to buy
Callaway X-20 Tour Iron Set
Deal intelligence
Should you buy now, or wait?
Callaway · Great BIG Bertha Iron Set — Generation Unknown
Not enough data yet
Today £349.80 · typical £349.80 · lowest £349.80
Callaway · X-20 Tour Iron Set
Not enough data yet
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Callaway · Great BIG Bertha Iron Set — Generation Unknown
No change
since 11 July 2026
Lowest £349.80 on 11 July 2026
New vs used
From used listings we track
Callaway · Great BIG Bertha Iron Set — Generation Unknown
NEW £129.99
USED FROM £129.99
Callaway · X-20 Tour Iron Set
NEW £129.99
USED FROM £129.99
Availability by build
Which configurations are in stock right now
| Build | Callaway Great BIG Bertha Iron Set — Generation Unknown | Callaway X-20 Tour Iron Set |
|---|---|---|
| Regular · Used | 1 retailer · from £129.99 at UK Used Golf Clubs → | 1 retailer · from £129.99 at Nearly New Golf Clubs → |
| Stiff · Used | 1 retailer · from £129.99 at UK Used Golf Clubs → | 1 retailer · from £179.95 at Replay Golf → |
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Common questions about the Callaway Great BIG Bertha Iron Set — Generation Unknown vs Callaway X-20 Tour Iron Set
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.