Side by side
Oblvlo BLM ZBvsChristopher Ward C63 Sealander GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
BLM ZB41mm
C63 Sealander GMT42mm
Power Reserve
BLM ZB40h
C63 Sealander GMT56h
Water Resistance
BLM ZB50m
C63 Sealander GMT150m
MSRP
BLM ZB$315
C63 Sealander GMT$1,675
Full specifications
Case
8 specsCategory
Sport
GMT
Diameter
41mm
42mm
Thickness
12mm
11.5mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
50m
150m
Caseback
Solid
Display
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
Super-LumiNova
SLN X1 BL C1
Movement
4 specsCaliber
—
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT, Moonphase, Day-date
Pricing
1 specsMSRP
$315
$1,675
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