Side by side
Core Timepieces Original SinvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Original Sin42mm
Reef Mariana40mm
Power Reserve
Original Sin—
Reef Mariana—
Water Resistance
Original Sin300m
Reef Mariana200m
MSRP
Original Sin$549
Reef Mariana$449
Full specifications
Case
6 specsDiameter
42mm
40mm
Thickness
—
13.2mm
Lug-to-Lug
—
47.5mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Red
Orange
Lume
None
BGW9
Movement
1 specsCaliber
Seiko NH36A
Seiko NH35
Pricing
1 specsMSRP
—
$449
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