Side by side

Seiko Prospex SeavsSheffield Deep Gray 300

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

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Prospex Sea
SeikoProspex Sea
Deep Gray 300
SheffieldDeep Gray 300
MSRP $258
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Prospex Sea42mm
Deep Gray 30042mm
Power Reserve
Prospex Sea72h
Deep Gray 30040h
Water Resistance
Prospex Sea300m
Deep Gray 300300m
MSRP
Prospex Sea—
Deep Gray 300$258

Full specifications

Case

4 specs
Category
Diver
—
Thickness
13.3mm
13.8mm
Lug-to-Lug
48.6mm
52mm
Lug Width
20mm
22mm

Crystal & Dial

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

Movement

3 specs
Caliber
6R54
Seiko NH35
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
—
—
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