Side by side
Seiko Prospex SeavsRolex GMT-Master II
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Prospex Sea42mm
GMT-Master II40mm
Power Reserve
Prospex Sea72h
GMT-Master II70h
Water Resistance
Prospex Sea300m
GMT-Master II100m
MSRP
Prospex Sea—
GMT-Master II$53,100
Full specifications
Case
9 specsCategory
Diver
GMT
Diameter
42mm
40mm
Thickness
13.3mm
—
Lug-to-Lug
48.6mm
46mm
Lug Width
20mm
—
Material
Stainless Steel
18kt Everose Gold
Finish
Brushed and polished
18 kt Everose gold
Water Resistance
300m
100m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
—
Indices
Applied
Index
Lume
LumiBrite on hands, index(es) and bezel
Chromalight
Movement
4 specsCaliber
6R54
3285
Power Reserve
72h
70h
Jewels
24
34
Complications
None
GMT, Date
Pricing
1 specsMSRP
—
$53,100
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