Side by side
Sheffield 1A SCR II BluevsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
1A SCR II Blue40mm
Prospex Sea41.3mm
Power Reserve
1A SCR II Blue40h
Prospex Sea72h
Water Resistance
1A SCR II Blue200m
Prospex Sea300m
MSRP
1A SCR II Blue$278
Prospex Sea$1,100
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
41.3mm
Thickness
13mm
12.5mm
Lug-to-Lug
48mm
48.2mm
Water Resistance
200m
300m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35
6R55
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,100
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Sheffield 1A SCR II Blue vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Sheffield 1A 40mmvsSeiko Prospex SeaSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsSeiko Prospex SeaSheffield 1A 38vsSeiko Prospex SeaFilippo Loreti Watches The Joker MadnessvsSeiko Prospex SeaBorealis Watch Co. Estoril 300 GMTvsSheffield 1A SCR II BlueBorealis Watch Co. JamantavsSheffield 1A SCR II Blue