Which is cheaper, the Oblvlo BLM ZB or the Christopher Ward C63 Sealander Extreme GMT?

At MSRP the Oblvlo BLM ZB is the cheaper of the two at $315, against $1,850 for the Christopher Ward C63 Sealander Extreme GMT — a $1,535 gap before any retailer discounting.

Which is bigger, the Oblvlo BLM ZB or the Christopher Ward C63 Sealander Extreme GMT?

The Christopher Ward C63 Sealander Extreme GMT wears larger at 48mm versus 41mm for the Oblvlo BLM ZB — a 7mm difference across the dial.

Which has better water resistance, the Oblvlo BLM ZB or the Christopher Ward C63 Sealander Extreme GMT?

The Christopher Ward C63 Sealander Extreme GMT is rated to 150m versus 50m for the Oblvlo BLM ZB.

Which has a longer power reserve, the Oblvlo BLM ZB or the Christopher Ward C63 Sealander Extreme GMT?

The Christopher Ward C63 Sealander Extreme GMT carries a 56-hour power reserve against 40 hours on the Oblvlo BLM ZB.

Side by side

Oblvlo BLM ZBvsChristopher Ward C63 Sealander Extreme GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Oblvlo BLM ZB

BLM-ZB

MSRP $315

Christopher Ward C63 Sealander Extreme GMT

C63-41AGM4-S0KK0-NO

MSRP $1,850

At a glance

14 of 29 specs differ

Diameter

BLM ZB41mm

C63 Sealander Extreme GMT48mm

Power Reserve

BLM ZB40h

C63 Sealander Extreme GMT56h

Water Resistance

BLM ZB50m

C63 Sealander Extreme GMT150m

MSRP

BLM ZB$315

C63 Sealander Extreme GMT$1,850

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Underside

Lume

Super-LumiNova

SLN X1 BL / GL

Movement

4 specs

Caliber

—

SW330

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

56h

Complications

None

GMT, Moonphase, Day-date

Pricing

1 specs

MSRP

$315

$1,850

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