Side by side

Oblvlo BLM ZBvsHamilton Jazzmaster Open Heart Auto

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

BLM ZB
OblvloBLM ZB
MSRP $315
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

9 of 29 specs differ
Diameter
BLM ZB41mm
Jazzmaster Open Heart Auto36mm
Power Reserve
BLM ZB40h
Jazzmaster Open Heart Auto80h
Water Resistance
BLM ZB50m
Jazzmaster Open Heart Auto50m
MSRP
BLM ZB$315
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

4 specs
Category
Sport
Chronograph
Diameter
41mm
36mm
Thickness
12mm
10mm
Lug Width
20mm
18mm

Crystal & Dial

2 specs
Dial Color
Black
Mother of pearl
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
—
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$315
$2,695

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