Side by side
Isotope Old Radium Bronze PilotvsSeiko Baby Alpinist
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Old Radium Bronze Pilot40mm
Baby Alpinist38mm
Power Reserve
Old Radium Bronze Pilot40h
Baby Alpinist70h
Water Resistance
Old Radium Bronze Pilot100m
Baby Alpinist200m
MSRP
Old Radium Bronze Pilot$1,096
Baby Alpinist$725
Full specifications
Case
7 specsCategory
—
Field
Diameter
40mm
38mm
Thickness
10.1mm
12.9mm
Lug-to-Lug
0mm
46mm
Lug Width
0mm
20mm
Material
Bronze
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
Seiko 6R35
Power Reserve
40h
70h
Jewels
0
24
Pricing
1 specsMSRP
$1,096
$725
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Isotope Old Radium Bronze Pilot vs Seiko Baby Alpinist gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Seiko Baby AlpinistvsTSAO Baltimore Legacy Bronze - Green FumeSeiko Baby AlpinistvsWhitby Watch Co. Canuck Pilot Watch - 39mm MK ISeiko Baby AlpinistvsTSAO Baltimore Legacy Bronze GMT - Midnight GreyFarer PILOT SERIES IIvsSeiko Baby AlpinistBoldr Five-in-a-RowvsIsotope Old Radium Bronze PilotIsotope Old Radium Bronze PilotvsBoldr Marine