Side by side
Sunrex BetavsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Beta41mm
Prospex Sea34mm
Power Reserve
Beta40h
Prospex Sea40h
Water Resistance
Beta100m
Prospex Sea200m
MSRP
Beta—
Prospex Sea$795
Full specifications
Case
6 specsCategory
—
Diver
Diameter
41mm
34mm
Thickness
14mm
8.7mm
Lug-to-Lug
48mm
40.8mm
Lug Width
—
16mm
Water Resistance
100m
200m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Epson VS75A
6N01
Type
Solar
Quartz
Pricing
1 specsMSRP
—
$795
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 Sunrex Beta vs Seiko Prospex Sea 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.












