Side by side
Seiko Prospex SeavsTuseno Blackwater
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Sea41mm
Blackwater40.5mm
Power Reserve
Prospex Sea70h
Blackwater—
Water Resistance
Prospex Sea200m
Blackwater200m
MSRP
Prospex Sea$900
Blackwater$999
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41mm
40.5mm
Thickness
12.3mm
—
Lug-to-Lug
46.9mm
50mm
Lug Width
20mm
—
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
BGW9 Swiss Super-LumiNova
Movement
3 specsCaliber
6R35
SW200-1
Power Reserve
70h
—
Jewels
24
25
Pricing
1 specsMSRP
$900
$999
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Seiko Prospex Sea vs Tuseno Blackwater gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.











