Side by side
Lum-Tec Combat B73vsSeiko Prospex Sea 1968 Heritage Diver's 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
Combat B7343mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Combat B73—
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Combat B73200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Combat B73$545
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
5 specsCategory
—
Diver
Diameter
43mm
42mm
Thickness
13.6mm
12.9mm
Lug-to-Lug
51.5mm
48.6mm
Lug Width
22mm
20mm
Crystal & Dial
3 specsAR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Ronda 515
6R54
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$545
$1,500
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