Side by side
Blok Watches Blok 38vsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Blok 3838mm
Prospex SPEEDTIMER39mm
Power Reserve
Blok 38—
Prospex SPEEDTIMER40h
Water Resistance
Blok 38100m
Prospex SPEEDTIMER100m
MSRP
Blok 38$379
Prospex SPEEDTIMER$725
Full specifications
Case
5 specsCategory
—
Chronograph
Diameter
38mm
39mm
Thickness
12mm
13.3mm
Lug-to-Lug
—
45.5mm
Lug Width
—
20mm
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Ronda
V192
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$725
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 Blok Watches Blok 38 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.
Out of Order 10 TH ANNIVERSARY OF WOHWvsSeiko Prospex SPEEDTIMERIslander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278vsSeiko Prospex SPEEDTIMERSeiko Prospex SPEEDTIMERvsYema Navygraf Marine Nationale QuartzOut of Order CASANOVA GMTvsSeiko Prospex SPEEDTIMERBlok Watches Blok 38vsPraesidus Type H-75Blok Watches Blok 38vsGeckota GT Racing Chronograph











