Side by side
Orient Star Mechanical Moon PhasevsSeiko Prospex Sea Save the Ocean Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Mechanical Moon Phase41mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Mechanical Moon Phase50h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Mechanical Moon Phase100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Mechanical Moon Phase$1,590
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
7 specsCategory
Mechanical
Diver
Diameter
41mm
43.8mm
Thickness
13.1mm
12.8mm
Lug-to-Lug
48.5mm
48.7mm
Lug Width
21mm
22mm
Finish
—
—
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Black
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
F7M63
Seiko 4R35
Power Reserve
50h
41h
Jewels
22
23
Pricing
1 specsMSRP
$1,590
$650
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