Side by side

Oblvlo JM EarthvsSeiko Prospex Sea

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

JM Earth
OblvloJM Earth
MSRP $228
Prospex Sea
SeikoProspex Sea
MSRP $595

At a glance

11 of 29 specs differ
Diameter
JM Earth42mm
Prospex Sea41.7mm
Power Reserve
JM Earth40h
Prospex Sea41h
Water Resistance
JM Earth50m
Prospex Sea200m
MSRP
JM Earth$228
Prospex Sea$595

Full specifications

Case

5 specs
Category
Sport
Diver
Diameter
42mm
41.7mm
Thickness
13mm
12.3mm
Lug-to-Lug
46mm
49.5mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
—
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$228
$595

Follow this matchup

Get a note when Oblvlo JM Earth vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

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.

Islander Islander Luminous Wave Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-62
Islandermicro
Dive Watches Guide

Islander Luminous Wave Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-62

7 watches · 7 variantsDive Watches Guide
42mm·Automatic·200m WR
$420MSRP
—Used
Borealis Watch Co. Jamanta
Borealis Watch Co.micro

Jamanta

5 variantsJamanta
42.50mm·Automatic·300m WR
$415MSRP
—Used
Ikepod Megapod x Tom Christopher Hand Painted
Ikepodmicro

Megapod x Tom Christopher Hand Painted

12 variantsUnique
44mm·Automatic·100m WR
$6,858MSRP
—Used
Dryden Pathfinder
Drydenmicro

Pathfinder

9 variantsPathfinder
41mm·Automatic·201m WR
$650MSRP
—Used
CIGA Design GILDED AGE
CIGA Designmicro

GILDED AGE

43/46mm
Ref. ciga-design-mechanical-watch-series-u-blue-planet-gilding-version
43/46mm·Automatic
$1,999MSRP
—Used
Zelos Blacktip 41
Zelosmicro

Blacktip 41

3 watches · 15 variantsBlacktip
41mm·Automatic·200m WR
$499MSRP
—Used
Mr Jones Watches A perfectly useless afternoon
Mr Jones Watchesmicro

A perfectly useless afternoon

3 watches · 4 variantsA perfectly useless
40mm·Automatic
$195MSRP
—Used
Borealis Watch Co. Porto Covo
Borealis Watch Co.micro

Porto Covo

2 variantsPorto Covo
40mm·Automatic·300m WR
$415MSRP
—Used
All alternatives to the JM Earth →All alternatives to the Prospex Sea →
Explore the full catalog
Adjacent matchups

People also compared

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

Islander Luminous Wave Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-62vsSeiko Prospex SeaIkepod Megapod x Tom Christopher Hand PaintedvsSeiko Prospex SeaCIGA Design GILDED AGEvsSeiko Prospex SeaMr Jones Watches A perfectly useless afternoonvsSeiko Prospex SeaOblvlo JM EarthvsBorealis Watch Co. JamantaDryden PathfindervsOblvlo JM Earth
Edit this comparisonAdd another watchExplore more 40–43mm watches