Side by side

Sheffield 1A 40mmvsSpinnaker Cahill Automatic

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

Add a watch
1A 40mm
Sheffield1A 40mm
MSRP $228
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
1A 40mm40mm
Cahill Automatic42mm
Power Reserve
1A 40mm40h
Cahill Automatic40h
Water Resistance
1A 40mm200m
Cahill Automatic200m
MSRP
1A 40mm$228
Cahill Automatic$350

Full specifications

Case

6 specs
Category
—
Diver
Diameter
40mm
42mm
Thickness
13mm
13.7mm
Lug-to-Lug
48mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
—
Green

Movement

1 specs
Caliber
Seiko NH35
SII NH35A

Pricing

1 specs
MSRP
$228
$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.

Filippo Loreti Watches The Joker Madness
Filippo Loreti Watchesmicro
Joker

The Joker Madness

Ref. the-joker-madness
40mm·Automatic·200m WR
$349MSRP
—Used
Phoibos Wave Master
Phoibosmicro

Wave Master

3 variantsWave Master
42mm·Automatic·300m WR
$309MSRP
—Used
Filippo Loreti Watches Aquadiver
Filippo Loreti Watchesmicro

Aquadiver

10 variantsRef. aquadiver-automatic-red
40mm·Automatic·200m WR
$410MSRP
—Used
Phoibos Eagle Ray
Phoibosmicro

Eagle Ray

4 variantsEagle Ray
41mm·Automatic·200m WR
$360MSRP
—Used
Redux COURG: Zero-Hour
Reduxmicro

COURG: Zero-Hour

Ref. the-courg-watch-zero-hour-39mm
39mm·Automatic·200m WR
$499MSRP
—Used
Spinnaker Hull Diver
Spinnakermicro

Hull Diver

8 watches · 32 variantsHull
42mm·Automatic·300m WR
$375MSRP
—Used
Redux COURG: Minimalist
Reduxmicro

COURG: Minimalist

Ref. the-courg-watch-minimalist-39mm
39mm·Automatic·200m WR
$450MSRP
—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
All alternatives to the 1A 40mm →All alternatives to the Cahill Automatic →
Explore the full catalog

Follow this matchup

Get a note when Sheffield 1A 40mm 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.

Sheffield 1A SCR II BluevsSpinnaker Cahill AutomaticSheffield 1AvsSpinnaker Cahill AutomaticSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSpinnaker Cahill AutomaticFilippo Loreti Watches The Joker MadnessvsSpinnaker Cahill AutomaticPhoibos Wave MastervsSheffield 1A 40mmPhoibos Eagle RayvsSheffield 1A 40mm
Edit this comparisonAdd another watchExplore more 39–43mm watches