Side by side
Serket Watch Co Reef MarianavsSeiko Presage Classic Series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Reef Mariana40mm
Presage Classic Series36mm
Power Reserve
Reef Mariana—
Presage Classic Series72h
Water Resistance
Reef Mariana200m
Presage Classic Series100m
MSRP
Reef Mariana$449
Presage Classic Series$950
Full specifications
Case
6 specsCategory
—
Dress
Diameter
40mm
36mm
Thickness
13.2mm
12.5mm
Lug-to-Lug
47.5mm
41.4mm
Lug Width
20mm
18mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Orange
Black
Lume
BGW9
None
Movement
3 specsCaliber
Seiko NH35
6R51
Power Reserve
—
72h
Jewels
25
24
Pricing
1 specsMSRP
$449
$950
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