Side by side

BOLDR Supply Co. BlastoisevsTimefactors Speedbird PRS-51

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

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At a glance

10 of 29 specs differ
Diameter
Blastoise40mm
Speedbird PRS-5136mm
Power Reserve
Blastoise
Speedbird PRS-51
Water Resistance
Blastoise200m
Speedbird PRS-51100m
MSRP
Blastoise$449
Speedbird PRS-51$436

Full specifications

Case

5 specs
Diameter
40mm
36mm
Thickness
0mm
11.4mm
Lug-to-Lug
49.5mm
42mm
Lug Width
20mm
18mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
SuperLuminova X1-C3

Movement

2 specs
Caliber
Seiko NH37
Miyota 9015
Power Reserve
0h

Pricing

1 specs
MSRP
$449
$436
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