Side by side

Obris Morgan SeaStar70 BRH03vsSeiko Prospex Sea

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

Add a watch
SeaStar70 BRH03
Obris MorganSeaStar70 BRH03
MSRP $439
See the full SeaStar70 BRH03
Prospex Sea
SeikoProspex Sea
MSRP $595
See the full Prospex Sea
Buy from Obris Morgan ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

13 of 29 specs differ
Diameter
SeaStar70 BRH0340mm
Prospex Sea41.7mm
Power Reserve
SeaStar70 BRH03—
Prospex Sea41h
Water Resistance
SeaStar70 BRH03200m
Prospex Sea200m
MSRP
SeaStar70 BRH03$439
Prospex Sea$595

Full specifications

Case

6 specs
Category
—
Diver
Diameter
40mm
41.7mm
Thickness
0mm
12.3mm
Lug-to-Lug
0mm
49.5mm
Lug Width
0mm
20mm
Material
—
Stainless Steel

Crystal & Dial

3 specs
Crystal
—
Hardlex
Dial Color
Brown Sunburst / Neon Red
—
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$439
$595
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.

Audaz ADZ-3090
Audazmicro

ADZ-3090

5 variantsRef. adz-3090-06
40mm·Automatic·200m WR
$680MSRP
—Used
Borealis Watch Co. Jamanta
Borealis Watch Co.micro

Jamanta

5 variantsJamanta
42.5mm·Automatic·300m WR
$415MSRP
—Used
Balticus Watches Balticus Moonfish
Balticus Watchesmicro
Moonfish

Balticus Moonfish

7 variantsSeries
40mm·Automatic·200m WR
$323MSRP
—Used
Dryden Pathfinder
Drydenmicro

Pathfinder

9 variantsPathfinder
41mm·Automatic·201m WR
$650MSRP
—Used
BOLDR Supply Co. Odyssey Freediver 202
BOLDR Supply Co.micro

Odyssey Freediver 202

40mm·Automatic·300m WR
$649MSRP
—Used
Zelos Blacktip 41
Zelosmicro

Blacktip 41

3 watches · 15 variantsBlacktip
41mm·Automatic·200m WR
$499MSRP
—Used
BOLDR Supply Co. Odyssey Freediver 288
BOLDR Supply Co.micro

Odyssey Freediver 288

40mm·Automatic·300m WR
$649MSRP
—Used
Boldr Odyssey 40mm
Boldrmicro

Odyssey 40mm

9 variantsSeries
40mm·Automatic·300m WR
$799MSRP
—Used
All alternatives to the SeaStar70 BRH03 →All alternatives to the Prospex Sea →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

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

Obris Morgan SeaStar70 PVDvsSeiko Prospex SeaOceanica Watch Co. SearavenvsSeiko Prospex SeaBalticus Watches Balticus MoonfishvsSeiko Prospex SeaPhoibos Eagle Ray DatevsSeiko Prospex SeaObris Morgan SeaStar70 BRH03vsZelos Blacktip 41Obris Morgan SeaStar70 BRH03vsSpinnaker Croft Pioneer
Edit this comparisonAdd another watchExplore more 39–43mm watches