Side by side
Orient Star M45 F7 Small SecondvsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
M45 F7 Small Second39mm
Prospex Sea41.7mm
Power Reserve
M45 F7 Small Second50h
Prospex Sea41h
Water Resistance
M45 F7 Small Second30m
Prospex Sea200m
MSRP
M45 F7 Small Second$1,240
Prospex Sea$595
Full specifications
Case
6 specsCategory
Mechanical
Diver
Diameter
39mm
41.7mm
Thickness
11.7mm
12.3mm
Lug-to-Lug
45.7mm
49.5mm
Finish
—
—
Water Resistance
30m
200m
Crystal & Dial
4 specsCrystal
Sapphire
Hardlex
AR Coating
Yes
—
Dial Color
Green
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
F7H44
4R35
Power Reserve
50h
41h
Jewels
24
23
Pricing
1 specsMSRP
$1,240
$595
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