Side by side
Sheffield 1A 40mmvsSeiko Prospex Sea PADI Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
1A 40mm40mm
Prospex Sea PADI Special Edition43.8mm
Power Reserve
1A 40mm—
Prospex Sea PADI Special Edition41h
Water Resistance
1A 40mm200m
Prospex Sea PADI Special Edition200m
MSRP
1A 40mm$228
Prospex Sea PADI Special Edition$625
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
43.8mm
Thickness
13mm
12.8mm
Lug-to-Lug
48mm
48.7mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23
Pricing
1 specsMSRP
$228
$625
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