Side by side

Spinnaker Dumas GMTvsTSAO Baltimore OLD BAY Timepiece

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Dumas GMT
SpinnakerDumas GMT
MSRP $399
OLD BAY Timepiece
TSAO BaltimoreOLD BAY Timepiece
MSRP $550
Buy from Spinnaker ↗
Buy used on eBay ↗
Buy from TSAO Baltimore ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Dumas GMT44mm
OLD BAY Timepiece40mm
Power Reserve
Dumas GMT40h
OLD BAY Timepiece41h
Water Resistance
Dumas GMT300m
OLD BAY Timepiece200m
MSRP
Dumas GMT$399
OLD BAY Timepiece$550

Full specifications

Case

7 specs
Category
GMT
—
Diameter
44mm
40mm
Thickness
15mm
13.2mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Blue
—

Movement

2 specs
Caliber
Seiko NH34A
Seiko NH38
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$399
$550
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