Side by side
Orient Star Mechanical Moon PhasevsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited 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 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
Mechanical Moon Phase50h
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
Mechanical Moon Phase100m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
Mechanical Moon Phase$1,590
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750
Full specifications
Case
7 specsCategory
Mechanical
Diver
Diameter
41mm
42mm
Thickness
13.1mm
13.3mm
Lug-to-Lug
48.5mm
48.6mm
Lug Width
21mm
20mm
Finish
—
—
Water Resistance
100m
300m
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
6R54
Power Reserve
50h
72h
Jewels
22
24
Pricing
1 specsMSRP
$1,590
$1,750
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Orient Star Mechanical Moon Phase vs Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsZelos Aurora MoonphaseFilippo Loreti Watches AquadivervsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionAquastar Deepstar ChronographvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionKnot Watches ATC-40vsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionOrient Star Mechanical Moon PhasevsCWC 1980 RN Divers Automatic Re-Issue WatchCWC RN81 Clearance Diver Automatic WatchvsOrient Star Mechanical Moon Phase











