Side by side
Bremont VulcanvsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Vulcan42mm
Prospex Sea43.8mm
Power Reserve
Vulcan40h
Prospex Sea41h
Water Resistance
Vulcan—
Prospex Sea200m
MSRP
Vulcan$5,150
Prospex Sea$625
Full specifications
Case
6 specsCategory
Pilot
Diver
Diameter
42mm
43.8mm
Thickness
14.9mm
12.8mm
Lug-to-Lug
—
48.7mm
Lug Width
20mm
22mm
Water Resistance
—
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
—
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$5,150
$625
Follow this matchup
Get a note when Bremont Vulcan vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.










