Side by side

Oblvlo BLM IIvsTimefactors Speedbird PRS-51

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

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BLM II
OblvloBLM II
MSRP $265
See the full BLM II
Speedbird PRS-51
TimefactorsSpeedbird PRS-51
MSRP $436
See the full Speedbird PRS-51
Buy from Oblvlo ↗
Buy used on eBay ↗
Buy from Timefactors ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
BLM II41mm
Speedbird PRS-5136mm
Power Reserve
BLM II42h
Speedbird PRS-51—
Water Resistance
BLM II50m
Speedbird PRS-51100m
MSRP
BLM II$265
Speedbird PRS-51$436

Full specifications

Case

6 specs
Category
Sport
—
Diameter
41mm
36mm
Thickness
12.5mm
11.4mm
Lug-to-Lug
0mm
42mm
Lug Width
0mm
18mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
—
Black
Lume
Super-LumiNova
SuperLuminova X1-C3

Movement

3 specs
Caliber
Miyota 8215
Miyota 9015
Power Reserve
42h
—
Jewels
21
0

Pricing

1 specs
MSRP
$265
$436
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