Side by side
Serket Watch Co Reef MarianavsSmiths Armstrong Siddeley
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Reef Mariana40mm
Armstrong Siddeley42mm
Power Reserve
Reef Mariana—
Armstrong Siddeley—
Water Resistance
Reef Mariana200m
Armstrong Siddeley100m
MSRP
Reef Mariana$449
Armstrong Siddeley$980
Full specifications
Case
5 specsDiameter
40mm
42mm
Thickness
13.2mm
12mm
Lug-to-Lug
47.5mm
52mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
2 specsDial Color
Orange
Cream
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH35
Unitas 6498
Type
Automatic
Manual
Pricing
1 specsMSRP
$449
$980
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