Side by side
Isotope Old Radium Bronze PilotvsSeiko 5 Sports SKX series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Old Radium Bronze Pilot40mm
5 Sports SKX series42.5mm
Power Reserve
Old Radium Bronze Pilot40h
5 Sports SKX series41h
Water Resistance
Old Radium Bronze Pilot100m
5 Sports SKX series100m
MSRP
Old Radium Bronze Pilot$1,096
5 Sports SKX series$495
Full specifications
Case
6 specsCategory
—
GMT
Diameter
40mm
42.5mm
Thickness
10.1mm
13.6mm
Lug-to-Lug
0mm
46mm
Lug Width
0mm
22mm
Material
Bronze
Stainless Steel
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
Seiko 4R34
Power Reserve
40h
41h
Jewels
0
24
Pricing
1 specsMSRP
$1,096
$495
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