Side by side
Serket Watch Co Reef MarianavsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Reef Mariana40mm
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition40mm
Power Reserve
Reef Mariana—
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition72h
Water Resistance
Reef Mariana200m
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition300m
MSRP
Reef Mariana$449
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition$1,550
Full specifications
Case
4 specsCategory
—
Diver
Thickness
13.2mm
13mm
Lug-to-Lug
47.5mm
46.4mm
Water Resistance
200m
300m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Orange
Black
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
6R55
Power Reserve
—
72h
Jewels
25
24
Pricing
1 specsMSRP
$449
$1,550
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 Serket Watch Co Reef Mariana vs Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition 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.
DIFICIANO MarlinvsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionSerket Watch Co Reef X Diver Black DLCvsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionDIFICIANO NarwhalvsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionvsVentus Watches NorthstarGeckota Sea-Hunter Dive WatchvsSerket Watch Co Reef MarianaLorier Hydra SIIIvsSerket Watch Co Reef Mariana