Side by side
Sheffield Deep Gray 300vsSeiko Prospex Sea Save the Ocean Special Edition
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 Save the Ocean Special Edition43.8mm
Power Reserve
Deep Gray 30040h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Deep Gray 300300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Deep Gray 300$258
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
5 specsCategory
—
Diver
Diameter
42mm
43.8mm
Thickness
13.8mm
12.8mm
Lug-to-Lug
52mm
48.7mm
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
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
—
$650
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