Side by side

Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch
DiveMaster 300
Matterhorn Watch Co.DiveMaster 300
MSRP $401
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition
SeikoProspex SPEEDTIMER Seiko 145th Anniversary Limited Edition
MSRP $2,500
Buy from Matterhorn Watch Co. ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
DiveMaster 30041mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
DiveMaster 30042h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
DiveMaster 300300m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
DiveMaster 300$401
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

6 specs
Category
—
Chronograph
Diameter
41mm
42mm
Thickness
12.8mm
14.6mm
Lug-to-Lug
47mm
49.5mm
Lug Width
—
20mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9015
8R48
Power Reserve
42h
45h
Jewels
25
34

Pricing

1 specs
MSRP
—
$2,500
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Timefactors Commander 71
Timefactorsmicro

Commander 71

Ref. smiths-commander-71-prs-71
40mm·Automatic·300m WR
$530MSRP
—Used
Yema Flygraf Navigator
Yemamicro

Flygraf Navigator

5 watches · 7 variantsFlygraf
40mm·Automatic·100m WR
$1,199MSRP
—Used
Melbourne Watch Company Sorrento
Melbourne Watch Companymicro

Sorrento

3 variantsRef. sorrento-yellow
42mm·Automatic·200m WR
$844MSRP
—Used
Yema Navygraf Chrono
Yemamicro

Navygraf Chrono

9 watches · 12 variantsNavygraf
40mm·Automatic·100m WR
$1,999MSRP
—Used
Out of Order Diverissimo
Out of Ordermicro

Diverissimo

5 variantsRef.
42mm·Automatic·200m WR
—MSRP
—Used
Pitzmann Watches Pitzmann III
Pitzmann Watchesmicro
III

Pitzmann III

2 variantsRef.
40mm·Automatic
—MSRP
—Used
Crafter Blue Mechanic Ocean Mark II
Crafter Bluemicro

Mechanic Ocean Mark II

2 variantsRef. crafter-blue-mechanic-ocean-mark-ii-mo2ss007-hk-limited-edition-shipping-date-nov-2024
41mm·Automatic·300m WR
—MSRP
—Used
Oblvlo CM-T
Oblvlomicro
CM Series

CM-T

3 watches · 3 variantsCM Series
42mm·Automatic
$194MSRP
—Used
All alternatives to the DiveMaster 300 →All alternatives to the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition →
Explore the full catalog

Follow this matchup

Get a note when Matterhorn Watch Co. DiveMaster 300 vs Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionvsTimefactors Commander 71Melbourne Watch Company SorrentovsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionOut of Order DiverissimovsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionCrafter Blue Mechanic Ocean Mark IIvsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionMatterhorn Watch Co. DiveMaster 300vsYema Flygraf NavigatorMatterhorn Watch Co. DiveMaster 300vsYema Navygraf Chrono
Edit this comparisonAdd another watchExplore more 40–43mm watches