Side by side
Orient Star Semi SkeletonvsSeiko 5KX
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
At a glance
14 of 29 specs differDiameter
Semi Skeleton40mm
5KX42.5mm
Power Reserve
Semi Skeleton50h
5KX41h
Water Resistance
Semi Skeleton50m
5KX100m
MSRP
Semi Skeleton$535
5KX$350
Full specifications
Case
7 specsCategory
Mechanical
Diver
Diameter
40mm
42.5mm
Thickness
12.7mm
13.4mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
22mm
Finish
—
—
Water Resistance
50m
100m
Crystal & Dial
4 specsCrystal
—
Hardlex
AR Coating
No
—
Dial Color
White
—
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Orient F6F42
Seiko 4R36
Power Reserve
50h
41h
Pricing
1 specsMSRP
$535
$350
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 Semi Skeleton vs Seiko 5KX 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.












