Side by side

Serket Watch Co Reef X DivervsSpinnaker Cahill Automatic

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

Add a watch
Reef X Diver
Serket Watch CoReef X Diver
MSRP $499
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Buy from Serket Watch Co ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
Reef X Diver43mm
Cahill Automatic42mm
Power Reserve
Reef X Diver40h
Cahill Automatic40h
Water Resistance
Reef X Diver200m
Cahill Automatic200m
MSRP
Reef X Diver$499
Cahill Automatic$350

Full specifications

Case

5 specs
Category
—
Diver
Diameter
43mm
42mm
Thickness
12.7mm
13.7mm
Lug-to-Lug
50mm
51mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Pink
Green

Movement

1 specs
Caliber
Seiko NH35
SII NH35A

Pricing

1 specs
MSRP
$499
$350
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.

Bahrami Watches Ω - 01
Bahrami Watchesmicro
bahrami ω

Ω - 01

Ref. bahrami-01
42mm·Automatic·200m WR
$850MSRP
—Used
Phoibos Wave Master
Phoibosmicro

Wave Master

3 variantsWave Master
42mm·Automatic·300m WR
$309MSRP
—Used
Phoibos Eagle Ray
Phoibosmicro

Eagle Ray

4 variantsEagle Ray
41mm·Automatic·200m WR
$360MSRP
—Used
Filippo Loreti Watches Superman Diver Automatic
Filippo Loreti Watchesmicro

Superman Diver Automatic

2 variantsRef. house-of-el-diver-fortress-of-solitude
42mm·Automatic·200m WR
$299MSRP
—Used
Spinnaker Hull Diver
Spinnakermicro

Hull Diver

8 watches · 32 variantsHull
42mm·Automatic·300m WR
$375MSRP
—Used
Noctua Watch Corp. PD-1
Noctua Watch Corp.micro

PD-1

Ref. noctua-watch-corp-pd-1
42mm·Automatic·300m WR
$429MSRP
—Used
Marathon Jeep Rubicon GSAR
Marathonmicro
Jeep x Marathon

Jeep Rubicon GSAR

4 watches · 4 variantsJeep x Marathon
41mm·Automatic·300m WR
$2,100MSRP
—Used
Noctua Watch Corp. P-1
Noctua Watch Corp.micro

P-1

Ref. noctua-watch-corp-p-1
42mm·Automatic·300m WR
$375MSRP
—Used
All alternatives to the Reef X Diver →All alternatives to the Cahill Automatic →
Explore the full catalog

Follow this matchup

Get a note when Serket Watch Co Reef X Diver vs Spinnaker Cahill Automatic 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.

Serket Watch Co Reef X Diver Black DLCvsSpinnaker Cahill AutomaticBahrami Watches Ω - 01vsSpinnaker Cahill AutomaticBahrami Watches Ω - 02vsSpinnaker Cahill AutomaticFilippo Loreti Watches Superman Diver AutomaticvsSpinnaker Cahill AutomaticPhoibos Wave MastervsSerket Watch Co Reef X DiverPhoibos Eagle RayvsSerket Watch Co Reef X Diver
Edit this comparisonAdd another watchExplore more 41–44mm watches