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Live · checked today · 9 UK retailers tracked
Callaway BIG Bertha B21 Iron Set vs Mizuno JPX 925 Forged Iron Set
Quick verdict
Checked daily across 9 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Iron Set is currently £449.99 used, while Mizuno JPX 925 Forged Iron Set is currently £730.95 used. Deal scores are Mizuno JPX 925 Forged Iron Set 72/100; against tracked history, Callaway BIG Bertha B21 Iron Set is 14% above its lowest tracked price and Mizuno JPX 925 Forged Iron Set is 769% above its lowest tracked price. Callaway BIG Bertha B21 Iron Set is currently available from 1 UK retailer, versus 9 for Mizuno JPX 925 Forged Iron Set.
Callaway
BIG Bertha B21 Iron Set
£449.99 used No change at its low Buy £449.99 → at Nearly New Golf ClubsMizuno
JPX 925 Forged Iron Set
£869 used from £730.95 No change 33% below usual Buy £869 → at Dormy GolfDeal intelligence
Should you buy now, or wait?
Neither is at its low today. The Callaway BIG Bertha B21 Iron Set is closest, within 14% of its lowest tracked price. The Mizuno JPX 925 Forged Iron Set has more room: its tracked low is £99.95.
Callaway · BIG Bertha B21 Iron Set
Not enough data yet
Today £909 · typical £909 · lowest £799
On sale 1 time in the last 3 months
Mizuno · JPX 925 Forged Iron Set
Good deal today
Today £869 · typical £919 · lowest £99.95
On sale 2 times in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £449.99 vs £869
- Closest to its tracked low BIG Bertha B21 14% above vs 769%
- Most retailers in stock JPX 925 Forged 9 vs 1
- Cheapest used BIG Bertha B21 from £449.99 vs £730.95
Where to buy
9 UK retailers, checked daily
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 · BIG Bertha B21 Iron Set
No change
since 13 February 2026
Lowest £799 on 16 March 2026
Mizuno · JPX 925 Forged Iron Set
↓ £206
since 21 February 2026
Lowest £99.95 on 1 April 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Iron Set
NEW £449.99
USED FROM £449.99
Mizuno · JPX 925 Forged Iron Set
NEW £869
USED FROM £730.95
Used prices average 96% of new · 5 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Iron Set | Mizuno JPX 925 Forged Iron Set |
|---|---|---|
| Regular | — | 3 retailers · from £919 at Golf Gear Direct → |
| Regular · Left-hand | — | 3 retailers · from £869 at Dormy Golf → |
| Stiff | — | 3 retailers · from £1,075 at Golf Gear Direct → |
| Stiff · Used | — | 2 retailers · from £799.99 at Nearly New Golf Clubs → |
| Standard | — | 2 retailers · from £1,095 at Express Golf → |
| Regular · Left-hand · Used | 1 retailer · from £449.99 at Nearly New Golf Clubs → | — |
| Regular · Used | — | 1 retailer · from £849.95 at Replay Golf → |
| Senior · Used | — | 1 retailer · from £730.95 at Replay Golf → |
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Common questions about the Callaway BIG Bertha B21 Iron Set vs Mizuno JPX 925 Forged 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.