Side by side

Sheffield GMTvsSeiko Prospex LX line

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

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GMT
SheffieldGMT
Prospex LX line
SeikoProspex LX line
MSRP $6,500
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
GMT40mm
Prospex LX line44.8mm
Power Reserve
GMT—
Prospex LX line72h
Water Resistance
GMT200m
Prospex LX line300m
MSRP
GMT—
Prospex LX line$6,500

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
44.8mm
Thickness
13mm
15.7mm
Lug-to-Lug
48mm
50.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Seiko NH34
5R65
Type
Automatic
Spring Drive
Power Reserve
—
72h
Jewels
25
30

Pricing

1 specs
MSRP
—
$6,500
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