Side by side
Sheffield 1A SCR II BluevsSeiko Prospex SPEEDTIMER
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 SPEEDTIMER41.4mm
Power Reserve
1A SCR II Blue40h
Prospex SPEEDTIMER40h
Water Resistance
1A SCR II Blue200m
Prospex SPEEDTIMER100m
MSRP
1A SCR II Blue$278
Prospex SPEEDTIMER$750
Full specifications
Case
5 specsCategory
—
Chronograph
Diameter
40mm
41.4mm
Lug-to-Lug
48mm
45.9mm
Lug Width
20mm
21mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Seiko NH35
V192
Type
Automatic
Quartz
Pricing
1 specsMSRP
—
$750
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 SPEEDTIMER 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 SPEEDTIMERSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsSeiko Prospex SPEEDTIMERSheffield 1A 38vsSeiko Prospex SPEEDTIMERFilippo Loreti Watches The Joker MadnessvsSeiko Prospex SPEEDTIMERDryden Chrono Diver Gen 2vsSheffield 1A SCR II BlueDryden Chrono Diver Series 1vsSheffield 1A SCR II Blue