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.
At a glance
11 of 29 specs differDiameter
1A 40mm40mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
1A 40mm40h
Prospex Sea PADI Special Edition41h
Water Resistance
1A 40mm200m
Prospex Sea PADI Special Edition200m
MSRP
1A 40mm$228
Prospex Sea PADI Special Edition$650
Full specifications
Case
4 specsCategory
—
Diver
Diameter
40mm
41.7mm
Thickness
13mm
12.3mm
Lug-to-Lug
48mm
49.5mm
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$228
$650
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