Side by side

Sugess Ocean Star S421vsSheffield 1A

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

Add a watch
Ocean Star S421
SugessOcean Star S421
MSRP $449
1A
Sheffield1A
MSRP $223
Buy from Sugess ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
Ocean Star S42140mm
1A40mm
Power Reserve
Ocean Star S42140h
1A—
Water Resistance
Ocean Star S421300m
1A200m
MSRP
Ocean Star S421$449
1A$223

Full specifications

Case

2 specs
Thickness
12.7mm
12.8mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
SU116610LB Black
White/Blue
Lume
None
Swiss blue lume

Movement

4 specs
Caliber
Seagull ST2130/Seiko NH35
Seiko NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
40h
—
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$449
$223
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.

Serica Ref. 5330 Diving Chronometer Date
Sericamicro
Diving Chronometer

Ref. 5330 Diving Chronometer Date

Ref. 5330-chronometre-plongee-date
39mm·Automatic·300m WR
$2,005MSRP
—Used
Boldr The T Rex By Boldr X Nitecore
Boldrmicro

The T Rex By Boldr X Nitecore

Ref. the-t-rex-by-boldr-x-nitecore
40mm·Automatic·200m WR
$499MSRP
—Used
Traska Freediver Arctic
Traskamicro

Freediver Arctic

Ref. FRD-WHT-NDT-V7
40mm·Automatic·200m WR
$735MSRP
—Used
Sheffield SCR
Sheffieldmicro

SCR

2 variantsRef. scr-grun
40mm·Automatic·200m WR
—MSRP
—Used
HELM Komodo
HELMmicro

Komodo

2 watches · 6 variantsKomodo
40mm·Automatic·300m WR
$295MSRP
—Used
Boldr BOLDR x Nitecore
Boldrmicro
Limited Editions

BOLDR x Nitecore

Ref. boldr-x-nitecore-kraken
38mm·Automatic·200m WR
$449MSRP
—Used
Echo/Neutra 1956 3H
Echo/Neutramicro

1956 3H

3 watches · 10 variants1956
40mm·Automatic·100m WR
$1,025MSRP
—Used
Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
Islandermicro
Under $50

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

9 watches · 9 variantsUnder $50
40mm·Automatic·200m WR
$399MSRP
—Used
All alternatives to the Ocean Star S421 →All alternatives to the 1A →
Explore the full catalog

Follow this matchup

Get a note when Sugess Ocean Star S421 vs Sheffield 1A 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.

Serica Ref. 5330 Diving Chronometer DatevsSheffield 1ATraska Freediver ArcticvsSheffield 1AHELM KomodovsSheffield 1AEcho/Neutra 1956 3HvsSheffield 1ASugess Ocean Star S421vsSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no dateSugess Ocean Star S421vsBoldr The T Rex By Boldr X Nitecore
Edit this comparisonAdd another watchMore diver comparisonsBest Diver Watches Under $500Explore more 39–41mm watches