Side by side
Sheffield Deep Gray 300vsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Deep Gray 30042mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Deep Gray 30040h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Deep Gray 300300m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Deep Gray 300$258
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
5 specsCategory
—
Diver
Thickness
13.8mm
12.9mm
Lug-to-Lug
52mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
6R54
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,500
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