Side by side

Sheffield 1AvsTimefactors Aerotimer

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

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1A
Sheffield1A
MSRP $223
See the full 1A
Aerotimer
TimefactorsAerotimer
MSRP $416
See the full Aerotimer
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Timefactors ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
1A40mm
Aerotimer42mm
Power Reserve
1A—
Aerotimer—
Water Resistance
1A200m
Aerotimer100m
MSRP
1A$223
Aerotimer$416

Full specifications

Case

5 specs
Category
Diver
—
Diameter
40mm
42mm
Thickness
12.8mm
13mm
Lug-to-Lug
46mm
50mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
White/Blue
Black
Lume
Swiss blue lume
SuperLuminova C3

Movement

2 specs
Caliber
NH35
Seiko VK64 (Meca-Quartz)
Type
Automatic
Mecaquartz

Pricing

1 specs
MSRP
$223
$416
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