Side by side

Sheffield 1A 38vsSpinnaker Bradner GMT

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

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1A 38
Sheffield1A 38
MSRP $238
Bradner GMT
SpinnakerBradner GMT
MSRP $299
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Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
1A 3838mm
Bradner GMT42mm
Power Reserve
1A 38—
Bradner GMT40h
Water Resistance
1A 38200m
Bradner GMT180m
MSRP
1A 38$238
Bradner GMT$299

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
38mm
42mm
Thickness
12.8mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
180m

Crystal & Dial

1 specs
Dial Color
Blue
Brown

Movement

2 specs
Caliber
Seiko NH35
Seiko NH34A
Power Reserve
—
40h

Pricing

1 specs
MSRP
$238
$299
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