Side by side

Oblvlo BLM ZBvsSeiko Prospex SPEEDTIMER Mechanical

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

BLM ZB
OblvloBLM ZB
MSRP $315
Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995

At a glance

11 of 29 specs differ
Diameter
BLM ZB41mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
BLM ZB40h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
BLM ZB50m
Prospex SPEEDTIMER Mechanical200m
MSRP
BLM ZB$315
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

4 specs
Category
Sport
Chronograph
Diameter
41mm
39.5mm
Lug-to-Lug
46mm
44.5mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
—
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$315
$995

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