
Finding alternatives to
Borealis Watch Co. Jamanta
Ref. prometheus-jamanta-black-dial-date-miyota-9015
142 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
42.50mm
Movement
Automatic
Category
Diver
MSRP
$415
Microbrand picks· 102
Independent makers covering the same brief — usually with something the mainstream brands don't.

Phoibos
Great Wall
42mm · Automatic$465
Shared caliber (Miyota 9015) · Pro diver

Phoibos
Apollo Titanium
41mm · Automatic$575
Shared caliber (Miyota 9015) · Pro diver

Zelos
DLC - Blue Meteorite
43mm · Automatic$599
Shared caliber (Miyota 9015) · Pro diver

Zelos
Hammered Grey
44mm · Automatic$549
Shared caliber (Miyota 9015) · Pro diver

Phoibos
Depth Hunter
40mm · Automatic$470
Shared caliber (Miyota 9015) · Pro diver

Phoibos
Depth Hunter Dlc
40mm · Automatic$500
Shared caliber (Miyota 9015) · Pro diver

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

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

Borealis Watch Co.
Sea Storm MK2
41.50mm · Automatic$475
Pro diver · Automatic

Borealis Watch Co.
Sea Storm MK2 GMT
41.50mm · Automatic$415
Pro diver · Automatic

Islander
Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195
40.5mm · Automatic$499
Shared caliber (Miyota 9015) · Tool diver

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

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

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

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

Zelos
Diver - Flare
40mm · Automatic$529
Shared caliber (Miyota 9015) · Pro diver

Dryden
Steel 12 Hour 41mm
41mm · Automatic$650
Shared caliber (Miyota 9015) · Tool diver

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

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

Henry Archer
Yacht Blue
42mm · Automatic$3,299
Shared caliber (Miyota 9015) · Tool diver

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

HELM
Vanuatu
42mm · Automatic$285
Pro diver · Automatic

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

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

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

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

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

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

Spinnaker
White Frost
43mm · Automatic$550
Pro diver · Automatic

Vaer
Black
39mm · Automatic$679
Shared caliber (Miyota 9015) · Tool diver

Vaer
Standard
39mm · Automatic$699
Shared caliber (Miyota 9015) · Tool diver

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

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

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

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

HELM
Vanuatu Titanium
42mm · Automatic$350
Pro diver · Automatic

Henry Archer
Sylva
40mm · Automatic$4,999
Shared caliber (Miyota 9015) · Tool diver

Henry Archer
Polar White 40mm
40mm · Automatic$4,999
Shared caliber (Miyota 9015) · Tool diver

Henry Archer
Trinity Grey 3-link 40mm
40mm · Automatic$5,299
Shared caliber (Miyota 9015) · Tool diver

Islander
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
40mm · Automatic$649
Shared caliber (Miyota 9015) · Tool diver

Wolbrook
Black "Tropic" Rubber Strap 40mm
40mm · Automatic$579
Shared caliber (Miyota 9015) · Tool diver

Wolbrook
Black "Tropic" Rubber Strap
40mm · Automatic$539
Shared caliber (Miyota 9015) · Tool diver

Zelos
SS - Teal Meteorite
41mm · Automatic$499
Shared caliber (Miyota 9015) · Tool diver

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

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

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

Venezianico
Nereide Ametista
42mm · Automatic$1,250
Tool diver · Automatic

Venezianico
Nereide Aureo 42
42mm · Automatic$1,495
Tool diver · Automatic

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

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

Vaer
Anacapa
39mm · Automatic$699
Shared caliber (Miyota 9015) · Tool diver

Yema
Steel
43mm · Automatic$13,000
Pro diver · Automatic

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

Islander
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18
43mm · Automatic$429
Tool diver · Automatic

Islander
Islander Automatic GMT Dive Watch with Blue Waffle Dial #ISL-214
42mm · Automatic$499
Tool diver · Automatic

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

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

Yema
Titanium
43mm · Automatic$13,000
Pro diver · Automatic

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

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

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

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

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

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

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

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

Praesidus
Blue Tropic Rubber 38mm
38mm · Automatic$645
Shared caliber (Miyota 9015) · Tool diver

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

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

Baltic
Aquascaphe Bronze
39mm · Automatic$697
Tool diver · Automatic

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

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

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

Helgray
Poseidon Diver (Automatic)
40mm · $249
Pro diver · Sapphire

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

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

Praesidus
Patina
44mm · Automatic$550
Tool diver · Automatic

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

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

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

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

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

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

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

Ikepod
Seapod S003
46mm · Automatic$1,566
Tool diver · Automatic

Ikepod
Seapod S007
46mm · Automatic$1,458
Tool diver · Automatic

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

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

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

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

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

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

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

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

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

William Wood
Standard
42mm · Automatic$3,995
Automatic · Same size

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

William Wood
Standard
41mm · Automatic$995
Automatic · Similar size

Wolbrook
Camel Rally Leather Strap
40mm · Automatic$510
Automatic

Wolbrook
Green Rubber Strap
40mm · Automatic$453
Automatic

Farer
AQUAMATIC
38.5mm · $875
Tool diver · Diver-grade WR

Cincinnati Watch Company
Desk Diver Professional Dive Watch Black & Orange
38mm · Manual$750
Tool diver · Sapphire
Steps up from here· 29
Where the same idea goes when budget isn't the constraint.

Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
42.6mm · Automatic$3,600
Pro diver · Automatic

Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
42.6mm · Automatic$2,900
Pro diver · Automatic

Seiko
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition
42.6mm · Automatic$3,900
Pro diver · Automatic

Seiko
Prospex Sea 1968 Heritage Diver's GMT Watch
42mm · Automatic$1,700
Pro diver · Automatic

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

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

Bremont
Black 43mm
43mm · Automatic$5,100
Pro diver · Automatic

Bremont
Black 43mm
43mm · Automatic$4,700
Pro diver · Automatic

DOXA
SUB 300 Carbon
42.5mm · Automatic$4,390
Pro diver · Automatic

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

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

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

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

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

DOXA
DOXA Army
42.5mm · $2,490
Pro diver · Same size

DOXA
SUB 200 C-GRAPH II
42mm · Automatic$2,890
Tool diver · Automatic

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

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

Tissot
Seastar 1000 Powermatic 80 GMT
46mm · Automatic$1,375
Pro diver · Automatic

Tissot
Seastar 2000
46mm · Automatic$1,275
Pro diver · Automatic

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

Grand Seiko
SBGH289
43.8mm · Automatic$7,700
Tool diver · Automatic

Grand Seiko
SBGJ237
44.2mm · Automatic$7,600
Tool diver · Automatic

Grand Seiko
SBGE253
40.5mm · Spring Drive$6,900
Tool diver · Similar size

Grand Seiko
SBGE277
44mm · Spring Drive$6,800
Tool diver · Similar size

Hamilton
Khaki Navy Scuba Automatic GMT 43mm Bronze
43mm · Automatic$1,675
Automatic · Same size

Hamilton
Khaki Navy Frogman Auto
41mm · Automatic$1,395
Automatic · Similar size
In the same price band· 5
Comparable watches at roughly the same money. Often the deciding click for a new buyer.

Seiko
Prospex Sea
43.8mm · Automatic$625
Pro diver · Automatic

Seiko
Prospex Sea
41.7mm · Automatic$595
Pro diver · Automatic

Seiko
Monster
42.4mm · Automatic$550
Pro diver · Automatic

Seiko
Prospex Sea PADI Special Edition
43.8mm · Automatic$625
Pro diver · Automatic

Citizen
Promaster Diver Automatic
44mm · Automatic$469
Pro diver · Automatic
Direct homages· 6
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 · Automatic

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

Pagani Design
PD-1685
42mm · Automatic$171
Tool diver · Automatic

Pagani Design
PD-1702
42mm · Automatic$132
Tool diver · Automatic

Pagani Design
PD-1736
43mm · Automatic$171
Tool diver · Automatic

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