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Browse/Alternatives/Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Finding alternatives to

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

48 watches that match on case size, movement family, and price band. Sorted by how close the match is.

Case
44mm
Movement
Automatic
Category
Diver
MSRP
$3,300
The short answer

The closest alternative to the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition is the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition ($1,750) — same family (Prospex Sea) and Pro diver. If price is the constraint, the Seiko Prospex Sea 1968 Heritage Diver's GMT at $1,500 (vs $3,300 for the Prospex Sea 1970 Heritage Diver's Black Series Limited Edition) covers most of the same brief. From the independents, the Spinnaker Tesei Titanium is the standout microbrand take — common cross-shop and Pro diver. Stepping up, the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm ($6,300) is where the same idea goes with a bigger budget.

48 matches
Microbrand picks· 12

Independent makers covering the same brief — usually with something the mainstream brands don't.

Spinnaker Tesei Titanium
Spinnakermicro

Tesei Titanium

3 variantsTesei
42mm·Automatic·200m WR
$625MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Spinnaker Dumas Automatic
Spinnakermicro

Dumas Automatic

11 variantsDumas
44mm·Automatic·300m WR
$239MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Zelos Swordfish 3
Zelosmicro

Swordfish 3

40/42mm
28 variantsSwordfish
40/42mm·Automatic·200m WR
$399MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Spinnaker Wreck Automatic
Spinnakermicro

Wreck Automatic

4 variantsWreck
44mm·Automatic·200m WR
$189MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Boldr Odyssey Original
Boldrmicro

Odyssey Original

3 variantsSeries
45.5mm·Automatic·500m WR
$799MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Duxot Tortuga
Duxotmicro

Tortuga

5 variantsTortuga
45mm·Automatic·200m WR
$169MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Henry Archer Nordsø
Henry Archermicro

Nordsø

33 variantsNordsø
40mm·Automatic·200m WR
$4,999MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Islander Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34
Islandermicro
Dive Watches Guide

Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34

43mm·Automatic·200m WR
$469MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
CWC E9 Automatic Diver Watch
CWCmicro

E9 Automatic Diver Watch

2 variantsE9 Automatic Diver Watch
41mm·Automatic·300m WR
$1,391MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
CWC RN81 Clearance Diver Automatic Watch
CWCmicro
RN Divers

RN81 Clearance Diver Automatic Watch

2 variantsRN81 Clearance Diver Automatic Watch
41mm·Automatic·300m WR
$1,875MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
CWC (Cabot Watch Company) 1980 RN Divers Automatic Re-Issue Watch
CWC (Cabot Watch Company)micro

1980 RN Divers Automatic Re-Issue Watch

45mm·Automatic·300m WR
$3,747MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Audaz Ocean Raider
Audazmicro

Ocean Raider

3 variantsSeries
45mm·Automatic·300m WR
$400MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Mainstream picks· 12

Established brands covering the same brief at a comparable price — same case size, similar movement family. Often the deciding click for a new buyer.

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition
Seiko

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

42mm·Automatic·300m WR
$1,750MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
Seiko

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

2 variantsProspex Marinemaster
42.6mm·Automatic·300m WR
$2,900MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
DOXA SUB 200 II
DOXA

SUB 200 II

5 variantsSUB 200 II
44mm·Automatic·200m WR
$1,750MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Breitling Superocean Heritage B31 Automatic
Breitling

Superocean Heritage B31 Automatic

40/42/44mm
7 variantsSuperocean Heritage
40/42/44mm·Automatic·200m WR
$6,500MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
DOXA SUB 300
DOXA

SUB 300

8 variantsSUB 300
42.5mm·Automatic·300m WR
$2,890MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Longines HYDROCONQUEST GMT
Longines

HYDROCONQUEST GMT

5 variantsHydroConquest GMT
43mm·Automatic·300m WR
$3,350MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
Seiko

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

42mm·Automatic·300m WR
$1,750MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
DOXA SUB 750T
DOXA

SUB 750T

8 variantsSUB 750T
47mm·Automatic·750m WR
$2,790MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Bremont S502
Bremont
Supermarine

S502

3 variantsSupermarine
43mm·Automatic·500m WR
$5,100MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Marathon GSAR (Government Search & Rescue) Diver's Automatic
Marathon

GSAR (Government Search & Rescue) Diver's Automatic

41mm·Automatic·300m WR
$2,100MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Breitling Superocean Heritage B20 Automatic
Breitling

Superocean Heritage B20 Automatic

42/44/46mm
8 variantsSuperocean Heritage
42/44/46mm·Automatic·200m WR
$5,800MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Breitling Superocean Automatic
Breitling

Superocean Automatic

36/42/44/46mm
19 variantsSuperocean
36/42/44/46mm·Automatic·300m WR
$5,700MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Cheaper alternatives· 12

If the price is the only thing keeping you off this watch, these get you most of the way there for less.

Seiko Prospex Sea 1968 Heritage Diver's GMT
Seiko

Prospex Sea 1968 Heritage Diver's GMT

2 variantsProspex Sea
42mm·Automatic·200m WR
$1,500MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition
Seiko

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

42.7mm·Automatic·200m WR
$1,350MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Seiko Prospex Sea
Seiko

Prospex Sea

2 variantsProspex Sea
43.8mm·Automatic·200m WR
$625MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Tissot Seastar 1000
Tissot

Seastar 1000

40/43mm
7 variantsSeastar 1000
40/43mm·Automatic·300m WR
$875MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Orient M-Force AC0L
Orient

M-Force AC0L

4 variantsM-Force
45mm·Automatic·200m WR
$605MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Hamilton Khaki Navy Scuba Auto
Hamilton

Khaki Navy Scuba Auto

40/43mm
4 variantsKhaki Navy Scuba Auto
40/43mm·Automatic·100m WR
$975MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Glycine Combat Sub Vintage
Glycine

Combat Sub Vintage

2 variantsCombat Sub Vintage
42mm·Automatic·200m WR
$1,750MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Citizen Promaster Diver Automatic
Citizen

Promaster Diver Automatic

2 variantsPromaster
44mm·Automatic·200m WR
$469MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Glycine Combat Sub Sport
Glycine

Combat Sub Sport

8 variantsCombat Sub Sport
42mm·Automatic·200m WR
$1,650MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Glycine Combat Sub
Glycine

Combat Sub

5 variantsCombat Sub
42mm·Automatic·200m WR
$1,850MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Christopher Ward C60 Lympstone
Christopher Ward

C60 Lympstone

Ref. C60-42A3H1-SGKK0-BG
40mm·Automatic·600m WR
$1,615MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Orient Mako-3 AA08 Diver Watch
Orient
DiverMako

Mako-3 AA08 Diver Watch

4 variantsMako
41.8mm·Automatic·200m WR
$375MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Pricier alternatives· 12

Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.

Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 42mm

25 variantsSeamaster Diver 300M
42mm·Automatic·300m WR
$6,300MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Breitling Superocean Heritage B31 Automatic
Breitling

Superocean Heritage B31 Automatic

42/44mm
2 variantsSuperocean Heritage
42/44mm·Automatic·200m WR
$8,050MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Omega Seamaster Diver 300M Co Axial Master Chronometer 43 5mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 43 5mm

4 variantsSeamaster Diver 300M
43.5mm·Automatic·300m WR
$10,000MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Jaeger-LeCoultre Polaris Date Stainless Steel
Jaeger-LeCoultre

Polaris Date Stainless Steel

4 variantsPolaris
42mm·Automatic·200m WR
$11,100MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Breitling Superocean Heritage B01 Chronograph 44 Limited Edition
Breitling

Superocean Heritage B01 Chronograph 44 Limited Edition

Ref. AB01621A1L1S1
44mm·Automatic·200m WR
$9,050MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Breitling Superocean Automatic 46 Super Diver
Breitling

Superocean Automatic 46 Super Diver

2 variantsSuperocean
46mm·Automatic·1000m WR
$6,900MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Yema Superman Tourbillon CMM.31 Limited Edition
Yema

Superman Tourbillon CMM.31 Limited Edition

43mm·Automatic·300m WR
$13,000MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm
Omega

Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm

7 variantsSeamaster Planet Ocean 600M
42mm·Automatic·600m WR
$8,600MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Bremont Supermarine Chrono
Bremont

Supermarine Chrono

3 variantsSupermarine
43mm·Automatic·300m WR
$6,850MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Grand Seiko SLGA015
Grand Seiko
Evolution 9

SLGA015

2 variantsSLGA015
43.8mm·Spring Drive·200m WR
$12,600MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Blancpain Bathyscaphe
Blancpain
Fifty Fathoms

Bathyscaphe

Ref. 5000-1110-71S
43mm·Automatic·300m WR
$17,100MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Blancpain Bathyscaphe
Blancpain
Fifty Fathoms

Bathyscaphe

Ref. 5000-1110-B52A
43mm·Automatic·300m WR
$13,700MSRP
—Used
vsCompare with the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
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