Side by side
Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSeiko Prospex Sea PADI Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Prospex Sea PADI Special Edition41h
Water Resistance
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
Prospex Sea PADI Special Edition200m
MSRP
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Prospex Sea PADI Special Edition$650
Full specifications
Case
3 specsDiameter
40mm
41.7mm
Thickness
12.8mm
12.3mm
Lug-to-Lug
46mm
49.5mm
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
White/Blue
Black
Lume
Swiss blue lume
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35A
4R35
Power Reserve
—
41h
Jewels
25
23
Pricing
1 specsMSRP
$238
$650
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