Side by side

Sheffield 1A 40mmvsUndone Ronin Automatic

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

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1A 40mm
Sheffield1A 40mm
MSRP $228
See the full 1A 40mm
Ronin Automatic
UndoneRonin Automatic
MSRP $380
See the full Ronin Automatic
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At a glance

7 of 29 specs differ
Diameter
1A 40mm40mm
Ronin Automatic40mm
Power Reserve
1A 40mm—
Ronin Automatic—
Water Resistance
1A 40mm200m
Ronin Automatic100m
MSRP
1A 40mm$228
Ronin Automatic$380

Full specifications

Case

4 specs
Thickness
13mm
0mm
Lug-to-Lug
48mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Crystal
Sapphire
—

Movement

1 specs
Power Reserve
0h
—

Pricing

1 specs
MSRP
$228
$380
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