Side by side
Orient Star M34 F7 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
13 of 29 specs differDiameter
M34 F7 Mechanical Moon Phase40mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
M34 F7 Mechanical Moon Phase50h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
M34 F7 Mechanical Moon Phase100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
M34 F7 Mechanical Moon Phase$1,750
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
5 specsCategory
Mechanical
Chronograph
Diameter
40mm
42mm
Thickness
14.1mm
14.6mm
Lug-to-Lug
47.3mm
49.5mm
Finish
—
—
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Grey gradation
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
F7M65
8R48
Power Reserve
50h
45h
Jewels
22
34
Pricing
1 specsMSRP
$1,750
$2,500
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