Side by side
Sheffield 1A 40mmvsZelos Comet 39
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A 40mm40mm
Comet 3939mm
Power Reserve
1A 40mm40h
Comet 3940h
Water Resistance
1A 40mm200m
Comet 3950m
MSRP
1A 40mm$228
Comet 39$2,499
Full specifications
Case
6 specsCategory
—
Dress
Diameter
40mm
39mm
Thickness
13mm
7.6mm
Lug-to-Lug
48mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
—
Tantalum LE
Movement
2 specsCaliber
Seiko NH35
ETA/Peseux 7001
Type
Automatic
Manual
Pricing
1 specsMSRP
$228
$2,499
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