Side by side

Sheffield 1A SCR II BluevsSpinnaker Dumas GMT

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

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1A SCR II Blue
Sheffield1A SCR II Blue
MSRP $278
Dumas GMT
SpinnakerDumas GMT
MSRP $399
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Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
1A SCR II Blue40mm
Dumas GMT44mm
Power Reserve
1A SCR II Blue40h
Dumas GMT40h
Water Resistance
1A SCR II Blue200m
Dumas GMT300m
MSRP
1A SCR II Blue$278
Dumas GMT$399

Full specifications

Case

6 specs
Category
—
GMT
Diameter
40mm
44mm
Thickness
13mm
15mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Movement

1 specs
Caliber
Seiko NH35
Seiko NH34A

Pricing

1 specs
MSRP
—
$399
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