Side by side

Ollech & Wajs RALLYCHRONvsSeiko Prospex Sea

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

Add a watch
RALLYCHRON
Ollech & WajsRALLYCHRON
MSRP $2,696
See the full RALLYCHRON
Prospex Sea
SeikoProspex Sea
MSRP $1,100
See the full Prospex Sea
Buy from Ollech & Wajs ↗
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

10 of 29 specs differ
Diameter
RALLYCHRON39.5mm
Prospex Sea41.3mm
Power Reserve
RALLYCHRON54h
Prospex Sea72h
Water Resistance
RALLYCHRON300m
Prospex Sea300m
MSRP
RALLYCHRON$2,696
Prospex Sea$1,100

Full specifications

Case

4 specs
Category
—
Diver
Diameter
39.5mm
41.3mm
Thickness
15.3mm
12.5mm
Lug-to-Lug
0mm
48.2mm

Crystal & Dial

2 specs
AR Coating
—
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Valjoux 7753
Seiko 6R55
Power Reserve
54h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$2,696
$1,100
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.

Olech & Wajs Watches RALLYE DE PARIS
Olech & Wajs Watchesmicro

RALLYE DE PARIS

39.5mm·Automatic·300m WR
$3,345MSRP
—Used
Borealis Watch Co. Estoril 300 GMT
Borealis Watch Co.micro

Estoril 300 GMT

14 variantsEstoril 300 GMT
41.5mm·Automatic·300m WR
$600MSRP
—Used
Olech & Wajs Watches COUPE DES ALPES
Olech & Wajs Watchesmicro

COUPE DES ALPES

39.5mm·Automatic·300m WR
$3,345MSRP
—Used
Borealis Watch Co. Porto Covo
Borealis Watch Co.micro

Porto Covo

2 variantsPorto Covo
40mm·Automatic·300m WR
$415MSRP
—Used
Dryden Pathfinder
Drydenmicro

Pathfinder

9 variantsPathfinder
41mm·Automatic·201m WR
$650MSRP
—Used
Isotope Moonshot Chronograph Thunderclap
Isotopemicro

Moonshot Chronograph Thunderclap

41mm·Automatic·100m WR
$3,288MSRP
—Used
CWC RN81 Clearance Diver Automatic Watch
CWCmicro
RN Divers

RN81 Clearance Diver Automatic Watch

2 variantsRN81 Clearance Diver Automatic Watch
41mm·Automatic·300m WR
$1,875MSRP
—Used
Depancel Jürgen Clauss
Depancelmicro

Jürgen Clauss

42/43mm
5 variantsSeries
42/43mm·Automatic·100m WR
$750MSRP
—Used
All alternatives to the RALLYCHRON →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.

Ollech & Wajs RALLYE DE PARISvsSeiko Prospex SeaOllech & Wajs ChronographvsSeiko Prospex SeaOllech & Wajs COUPE DES ALPESvsSeiko Prospex SeaOlech & Wajs Watches ChronographvsSeiko Prospex SeaDryden PathfindervsOllech & Wajs RALLYCHRONBorealis Watch Co. Caloura 300mvsOllech & Wajs RALLYCHRON
Edit this comparisonAdd another watchExplore more 38–43mm watches