Side by side

Serket Watch Co Reef MarianavsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
SeikoProspex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
MSRP $4,600
Buy from Serket Watch Co ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
Reef Mariana40mm
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm
Power Reserve
Reef Mariana—
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Reef Mariana200m
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition600m
MSRP
Reef Mariana$449
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition$4,600

Full specifications

Case

7 specs
Category
—
Diver
Diameter
40mm
45.4mm
Thickness
13.2mm
16mm
Lug-to-Lug
47.5mm
50.4mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
600m

Crystal & Dial

4 specs
Crystal 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 specs
Caliber
Seiko NH35
8L45
Power Reserve
—
72h
Jewels
25
35

Pricing

1 specs
MSRP
$449
$4,600
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DIFICIANO MarlinvsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited EditionSerket Watch Co Reef X Diver Black DLCvsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited EditionDIFICIANO NarwhalvsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited EditionSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited EditionvsVentus Watches NorthstarBoldr Odyssey RegattavsSerket Watch Co Reef MarianaBoldr Odyssey BronzevsSerket Watch Co Reef Mariana
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