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
10 of 29 specs differDiameter
Prospex Sea Save the Ocean Special Edition45mm
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$625
OLD BAY Timepiece$550
Full specifications
Case
4 specsCategory
Diver
—
Diameter
45mm
40mm
Lug-to-Lug
47.7mm
46mm
Lug Width
22mm
20mm
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
2 specsCaliber
4R36
Seiko NH38
Jewels
24
25
Pricing
1 specsMSRP
$625
$550
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