
Finding alternatives to
Helgray Poseidon Diver (Automatic)
Ref. poseidon-diver-automatic
140 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
40mm
Category
Diver
MSRP
$249
Microbrand picks· 100
Independent makers covering the same brief — usually with something the mainstream brands don't.

Astor + Banks
Tobacco
40mm · Automatic$1,149
Pro diver · Same size

Fortis
Amber Orange
40mm · Automatic$3,520
Pro diver · Same size

Lum-Tec
Marine 9
39mm · Automatic$463
Pro diver · Same size

Monta
Blue / Aluminum
40mm · Automatic$2,550
Pro diver · Same size

Spinnaker
Aquamarine
40mm · Automatic$650
Pro diver · Same size

Borealis Watch Co.
Neptuno
40.00mm · Automatic$390
Pro diver · Same size

CWC
1980 RN Divers Automatic Re-Issue Watch
41mm · Automatic$2,458
Pro diver · Same size

CWC
Arctic Radar Automatic Diver Watch
41mm · Automatic$1,333
Pro diver · Same size

CWC
Arctic Radar Quartz Diver Watch
41mm · Quartz$666
Pro diver · Same size

CWC
Automatic Divers Watch Mk.2 Black
41mm · Automatic$1,249
Pro diver · Same size

Formex
Reef 39.5 mm
39.5mm · Automatic$2,230
Pro diver · Same size

Phoibos
Depth Hunter
40mm · Automatic$470
Pro diver · Same size

Phoibos
Depth Hunter Dlc
40mm · Automatic$500
Pro diver · Same size

Geckota
Satin Reef Green
42mm · Automatic$349
Pro diver · Similar size

Spinnaker
TIGER EYE
42mm · Automatic$520
Pro diver · Similar size

Spinnaker
Alligator Green
42mm · Automatic$375
Pro diver · Similar size

Yema
39.5mm Automatic
39.5mm · Automatic$1,777
Pro diver · Same size

Yema
Gilt Black
39mm · Automatic$1,699
Pro diver · Same size

Yema
39mm Automatic
39mm · Automatic$1,004
Pro diver · Same size

Yema
Black
39mm · Mechanical$2,372
Pro diver · Same size

Zelos
Diver - Flare
40mm · Automatic$529
Pro diver · Same size

Baltic
Aquascaphe Titanium
41mm · Automatic$788
Pro diver · Same size

Phoibos
Apollo Titanium
41mm · Automatic$575
Pro diver · Same size

Borealis Watch Co.
Bull Shark V2
38mm · Automatic$495
Pro diver · Similar size

Borealis Watch Co.
Caloura 300m
42mm · Automatic$275
Pro diver · Similar size

Borealis Watch Co.
Estoril 300 GMT
41.50mm · Automatic$600
Pro diver · Similar size

Formex
Reef 42 mm
42mm · Automatic$2,414
Pro diver · Similar size

HELM
Khuraburi
42mm · Automatic$310
Pro diver · Similar size

Marloe Watch Company
Morar 310
42mm · Automatic$697
Pro diver · Similar size

Nodus
Sector Deep
38mm · Automatic$650
Pro diver · Similar size

Nodus
Sector Deep - DLC Destro
38mm · Automatic$700
Pro diver · Similar size

Nodus
Sector Deep Pioneer
38mm · Automatic$675
Pro diver · Similar size

Phoibos
Great Wall
42mm · Automatic$465
Pro diver · Similar size

HELM
Komodo
40mm · Automatic$295
Pro diver · Same size

Maen
SHW.01
38mm · Automatic$503
Pro diver · Similar size

Maen
M1.1.5
38mm · Automatic$719
Pro diver · Similar size

Spinnaker
Flying Dutchman
43mm · Automatic$445
Pro diver · Sapphire

Dan Henry
Orange
40mm · Automatic$310
Tool diver · Same size

Dryden
Steel 12 Hour 41mm
41mm · Automatic$650
Tool diver · Same size

Galo
Super200
39mm · Automatic$488
Tool diver · Same size

Galo
Super200 Dark Edition
39mm · Automatic$488
Tool diver · Same size

Geckota
Amber Bezel
40mm · Automatic$349
Tool diver · Same size

HELM
Khuraburi Titanium
42mm · Automatic$375
Pro diver · Similar size

Henry Archer
Moon Grey 40mm
40mm · Automatic$4,299
Tool diver · Same size

Henry Archer
Sylva
40mm · Automatic$4,999
Tool diver · Same size

Henry Archer
Icewake
40mm · Automatic$4,999
Tool diver · Same size

Henry Archer
Polar White 40mm
40mm · Automatic$4,999
Tool diver · Same size

Islander
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
40mm · Automatic$399
Tool diver · Same size

Islander
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
39mm · Automatic$399
Tool diver · Same size

Islander
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
40mm · Automatic$649
Tool diver · Same size

Islander
Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195
40.5mm · Automatic$499
Tool diver · Same size

Lorier
Standard
39mm · Automatic$699
Tool diver · Same size

Lorier
Standard
39mm · Automatic$699
Tool diver · Same size

Lorier
Skyward
39mm · Automatic$599
Tool diver · Same size

Lorier
Standard
39mm · Automatic$599
Tool diver · Same size

Monta
Black
40mm · Automatic$1,850
Tool diver · Same size

Vaer
Black
39mm · Automatic$679
Tool diver · Same size

Vaer
Standard
39mm · Automatic$699
Tool diver · Same size

Venezianico
Nereide Bronzo
42mm · Automatic$1,250
Pro diver · Similar size

Venezianico
Nereide Titanio
42mm · Automatic$1,250
Pro diver · Similar size

Zelos
Diver - Forged Carbon
40mm · Automatic$749
Tool diver · Same size

Zelos
SS - Coal
40mm · Automatic$399
Tool diver · Same size

Farer
AQUA COMPRESSOR TITANIUM SERIES III
41.5mm · $1,350
Pro diver · Similar size

Fortis
Amber Orange
44mm · Automatic$5,120
Pro diver · Sapphire

Fortis
Black Resin
44mm · Automatic$5,450
Pro diver · Sapphire

HELM
Komodo Titanium
40mm · Automatic$350
Pro diver · Same size

Zelos
DLC - Blue Meteorite
43mm · Automatic$599
Pro diver · Sapphire

Baltic
Aquascaphe Classic
39mm · Automatic$648
Tool diver · Same size

Baltic
Aquascaphe Dual-Crown
39mm · Automatic$724
Tool diver · Same size

Baltic
Aquascaphe Dual-Crown - Black PVD
39mm · Automatic$724
Tool diver · Same size

Oblvlo
DM Skeleton Dive
40mm · Automatic$194
Tool diver · Same size

Sternglas
Marus 2.0
41mm · Automatic$593
Tool diver · Same size

Sternglas
Merion
41mm · Automatic$701
Tool diver · Same size

Venezianico
Nereide Aureo 39
39mm · Automatic$1,000
Tool diver · Same size

Venezianico
Nereide Avventurina 39
39mm · Automatic$895
Tool diver · Same size

Cincinnati Watch Company
Desk Diver Professional Dive Watch Black & Orange
38mm · Manual$750
Tool diver · Similar size

Geckota
Ice White
38.5mm · Automatic$375
Tool diver · Similar size

Hemel
Gallant USAF Edition
40mm · Automatic$300
Tool diver · Same size

Vaer
Marine
39mm · Quartz$549
Tool diver · Same size

Vaer
Anacapa
39mm · Automatic$699
Tool diver · Same size

Wolbrook
Black "Tropic" Rubber Strap 40mm
40mm · Automatic$579
Tool diver · Same size

Wolbrook
Black "Tropic" Rubber Strap
40mm · Automatic$539
Tool diver · Same size

Halios
Sunburst Blue
40mm · Automatic$765
Tool diver · Same size

KUOE
SOMBRERO 90-011
38mm · Automatic$980
Tool diver · Similar size

Marloe Watch Company
Sceptre
42mm · Automatic$507
Tool diver · Similar size

Marloe Watch Company
Sceptre S2
42mm · Automatic$507
Tool diver · Similar size

Sternglas
Marus
42mm · Automatic$485
Tool diver · Similar size

Farer
AQUAMATIC
38.5mm · $875
Tool diver · Similar size

Praesidus
Blue Tropic Rubber 38mm
38mm · Automatic$645
Tool diver · Similar size

Dan Henry
White / Tropic 39mm
39mm · Automatic$310
Same size · Sapphire

William Wood
Yellow
39mm · Automatic$920
Same size · Sapphire

William Wood
Standard
41mm · Automatic$1,495
Same size · Sapphire

Wolbrook
Black "Topic" Rubber Strap
38mm · Automatic$549
Tool diver · Similar size

Christopher Ward
C65 Super Compressor Elite
40mm · Automatic$1,995
Same size · Sapphire

Praesidus
Patina
44mm · Automatic$550
Tool diver · Diver-grade WR

Lum-Tec
Date
44mm · Automatic$999
Tool diver · Diver-grade WR

Ikepod
Seapod S002
46mm · Automatic$1,458
Tool diver · Sapphire

Ikepod
Seapod Bronze Archi
46mm · Automatic$2,808
Tool diver · Sapphire

Ikepod
Seapod S001
46mm · Automatic$1,458
Tool diver · Sapphire

Ikepod
Seapod S003
46mm · Automatic$1,566
Tool diver · Sapphire
Steps up from here· 28
Where the same idea goes when budget isn't the constraint.

Bremont
RNLI Orange
40mm · Automatic$3,795
Pro diver · Same size

Bremont
Blue / Green 40mm
40mm · Automatic$3,900
Pro diver · Same size

Bremont
Green 40mm
40mm · Automatic$3,550
Pro diver · Same size

Marathon
Arctic White on Rubber Strap
41mm · Automatic$1,800
Pro diver · Same size

Marathon
Anthracite Black
41mm · Automatic$2,100
Pro diver · Same size
Marathon
OD Green
41mm · Automatic$2,100
Pro diver · Same size
Marathon
OD Green
41mm · Automatic$1,650
Pro diver · Same size

DOXA
SUB 600T
40mm · $1,650
Pro diver · Same size

Seiko
Prospex Sea 1965 Heritage Diver's Watch
40mm · Automatic$1,300
Pro diver · Same size

Seiko
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
40mm · Automatic$1,550
Pro diver · Same size

Seiko
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
40mm · Automatic$1,400
Pro diver · Same size

Seiko
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition
40mm · Automatic$1,400
Pro diver · Same size

Tissot
Seastar 1000
40mm · Automatic$875
Pro diver · Same size

Tissot
Seastar 1000 GMT
40mm · Quartz$575
Pro diver · Same size

Tissot
Seastar Wilson WNBA
40mm · Automatic$875
Pro diver · Same size

Citizen
Promaster Fujitsubo
41mm · Automatic$1,195
Pro diver · Same size

Tissot
Seastar 1000 Quartz Chronograph
38mm · Quartz$650
Pro diver · Similar size

Bremont
RNLI Orange
43mm · Mechanical$4,395
Pro diver · Sapphire

Longines
LEGEND DIVER
39mm · Automatic$3,850
Pro diver · Same size

DOXA
SUB 250T GMT
40mm · Automatic$2,790
Tool diver · Same size

Grand Seiko
SBGP015
40mm · Quartz$3,800
Tool diver · Same size

Grand Seiko
SBGV245
40mm · Quartz$3,000
Tool diver · Same size

DOXA
DOXA Army
42.5mm · $2,490
Pro diver · Sapphire

DOXA
SUB 300
42.5mm · Automatic$2,890
Pro diver · Sapphire

Longines
LEGEND DIVER 59
42mm · Automatic$4,100
Pro diver · Similar size

Grand Seiko
SBGN027
39mm · Quartz$3,700
Tool diver · Same size

Citizen
Promaster Dive E365
46mm · Solar$544
Pro diver · Sapphire

Citizen
Promaster Aqualand 200M Depth Meter
53mm · Solar$769
Pro diver · Diver-grade WR
In the same price band· 4
Comparable watches at roughly the same money. Often the deciding click for a new buyer.
Direct homages· 8
Watches that wear the same design language — close enough that a stranger might confuse them across the room.

Seiko
Prospex Sea
42mm · Automatic0
Pro diver · Similar size

Pagani Design
PD-1719
42.5mm · Automatic$154
Pro diver · Sapphire

Pagani Design
PD-1689
40mm · Quartz$89
Tool diver · Same size

Pagani Design
PD-1690
40mm · Automatic$149
Tool diver · Same size

Pagani Design
PD-1691
39.7mm · Automatic$146
Tool diver · Same size

Citizen
Promaster Aqualand
46mm · Solar0
Pro diver · Diver-grade WR

DOXA
SUB 200 T.GRAPH
43mm · Automatic0
Tool diver · Sapphire

Citizen
Promaster Diver
47mm · Solar0
Pro diver · Diver-grade WR



