Side by side

Sheffield Diver 1vsSpinnaker Dumas GMT

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

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Diver 1
SheffieldDiver 1
Dumas GMT
SpinnakerDumas GMT
MSRP $399
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Diver 140mm
Dumas GMT44mm
Power Reserve
Diver 1—
Dumas GMT40h
Water Resistance
Diver 1200m
Dumas GMT300m
MSRP
Diver 1—
Dumas GMT$399

Full specifications

Case

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

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

3 specs
Caliber
Miyota 2035
Seiko NH34A
Type
Quartz
Automatic
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$399
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