Side by side
Sheffield 1AvsYema Navygraf Heritage
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
1A40mm
Navygraf Heritage39mm
Power Reserve
1A—
Navygraf Heritage40h
Water Resistance
1A200m
Navygraf Heritage100m
MSRP
1A$223
Navygraf Heritage$990
Full specifications
Case
5 specsDiameter
40mm
39mm
Thickness
12.8mm
10.85mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
2 specsDial Color
White/Blue
Black
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
Sellita SW200
Power Reserve
—
40h
Pricing
1 specsMSRP
$223
$990
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