Side by side
Lum-Tec 39mm Combat B74 GMTvsSeiko Prospex Land Mechanical GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
39mm Combat B74 GMT39mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
39mm Combat B74 GMT40h
Prospex Land Mechanical GMT72h
Water Resistance
39mm Combat B74 GMT200m
Prospex Land Mechanical GMT200m
MSRP
39mm Combat B74 GMT$931
Prospex Land Mechanical GMT$1,150
Full specifications
Case
4 specsCategory
—
GMT
Diameter
39mm
39.5mm
Thickness
12mm
13.6mm
Lug-to-Lug
46mm
46.4mm
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Miyota 9075
6R54
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$931
$1,150
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