Side by side
Seiko Prospex Sea Save the Ocean Special EditionvsTSAO Baltimore OLD BAY Timepiece
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Prospex Sea Save the Ocean Special Edition42.4mm
OLD BAY Timepiece40mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
OLD BAY Timepiece41h
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
OLD BAY Timepiece200m
MSRP
Prospex Sea Save the Ocean Special Edition$550
OLD BAY Timepiece$550
Full specifications
Case
4 specsCategory
Diver
—
Diameter
42.4mm
40mm
Thickness
13.4mm
13.2mm
Lug-to-Lug
49.4mm
46mm
Crystal & Dial
3 specsCrystal
Hardlex
Sapphire
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
2 specsCaliber
4R36
Seiko NH38
Jewels
24
25
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