Side by side
Orient Star Mechanical Moon PhasevsSeiko Prospex SPEEDTIMER Mechanical Chronograph
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 SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Mechanical Moon Phase50h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Mechanical Moon Phase100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Mechanical Moon Phase$1,590
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
6 specsCategory
Mechanical
Chronograph
Diameter
41mm
42mm
Thickness
13.1mm
14.6mm
Lug-to-Lug
48.5mm
49.5mm
Lug Width
21mm
20mm
Finish
—
—
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Black
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Orient F7M63
Seiko 8R48
Power Reserve
50h
45h
Jewels
22
34
Pricing
1 specsMSRP
$1,590
$2,500
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