Side by side
Smiths BABY SPEEDBIRD PRS-51vsSeiko 5 Sports Field series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
BABY SPEEDBIRD PRS-5136mm
5 Sports Field series39.4mm
Power Reserve
BABY SPEEDBIRD PRS-51—
5 Sports Field series41h
Water Resistance
BABY SPEEDBIRD PRS-51100m
5 Sports Field series100m
MSRP
BABY SPEEDBIRD PRS-51—
5 Sports Field series$450
Full specifications
Case
5 specsCategory
—
GMT
Diameter
36mm
39.4mm
Thickness
11.4mm
13.6mm
Lug-to-Lug
42mm
47.9mm
Lug Width
18mm
20mm
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Lume
SuperLuminova
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Miyota 9015
4R34
Power Reserve
—
41h
Jewels
25
24
Pricing
1 specsMSRP
—
$450
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