Side by side
Spinnaker Challenger AutomaticvsTSAO Baltimore OLD BAY Timepiece
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Challenger Automatic42mm
OLD BAY Timepiece40mm
Power Reserve
Challenger Automatic40h
OLD BAY Timepiece41h
Water Resistance
Challenger Automatic200m
OLD BAY Timepiece200m
MSRP
Challenger Automatic$289
OLD BAY Timepiece$550
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
40mm
Thickness
19mm
13.2mm
Lug-to-Lug
49.5mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
1 specsDial Color
Blue
—
Movement
2 specsCaliber
SII NH35A
Seiko NH38
Power Reserve
40h
41h
Pricing
1 specsMSRP
$289
$550
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