Side by side
Helgray Speedster (Silver Panda)vsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Speedster (Silver Panda)39mm
Prospex Sea43.8mm
Power Reserve
Speedster (Silver Panda)40h
Prospex Sea41h
Water Resistance
Speedster (Silver Panda)30m
Prospex Sea200m
MSRP
Speedster (Silver Panda)$299
Prospex Sea$625
Full specifications
Case
6 specsCategory
Chronograph
Diver
Diameter
39mm
43.8mm
Thickness
12mm
12.8mm
Lug-to-Lug
46mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
30m
200m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 6S21
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$299
$625
Follow this matchup
Get a note when Helgray Speedster (Silver Panda) 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.
Helgray Speedster (Racing Light Blue)vsSeiko Prospex SeaSeiko Prospex SeavsHelgray Superfast - Rose Gold PandaSeiko Prospex SeavsHelgray Superfast Automatic - Silver PandaSeiko Prospex SeavsStudio Underd0g Goofy Panda (Gen3)Borealis Watch Co. JamantavsHelgray Speedster (Silver Panda)Helgray Speedster (Silver Panda)vsSpinnaker Wreck Automatic