
Finding alternatives to
Spinnaker Depth Blue
Ref. challenger-automatic-depth-blue-sp-5159-11
44 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
42mm
Movement
Automatic
Category
Diver
MSRP
$289
Most similar· 11
The closest match overall — same case size, similar movement family, comparable price. Often the deciding click for a new buyer.

Citizen
Promaster Diver Automatic
44mm · Automatic$469
Common cross-shop · Tool diver

Seiko
Monster
42.4mm · Automatic$550
Common cross-shop · Tool diver

Seiko
Prospex Sea Save the Ocean Special Edition
42.4mm · Automatic$550
Common cross-shop · Tool diver

Seiko
Prospex Sea
42mm · Automatic0
Common cross-shop · Tool diver

Orient
Mako-3 AA08 Diver Watch
41.8mm · Automatic$375
Common cross-shop · Automatic

Tudor
Black Bay
41mm · Automatic0
Tool diver · Automatic

Orient
Diver Watch
41.5mm · Automatic$285
Common cross-shop · Automatic

Orient
AA02 Diver Watch
41.5mm · Automatic$285
Common cross-shop · Automatic

Citizen
Tsuyosa Shore
40mm · Automatic$495
Common cross-shop · Automatic

Citizen
Tsuyosa 60
40mm · Automatic$431
Common cross-shop · Automatic

Grand Seiko
SBGD202
43mm · Spring Drive0
Same size · Sapphire
Pricier alternatives· 12
Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.

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

DOXA
SUB 300
42.5mm · Automatic$2,890
Common cross-shop · Tool diver

Seiko
Prospex Sea 1965 Heritage Diver's Watch
40mm · Automatic$1,300
Common cross-shop · Tool diver

DOXA
SUB 200 II
44mm · Automatic$1,750
Common cross-shop · Tool diver

Marathon
Arctic White on Rubber Strap
41mm · Automatic$1,800
Common cross-shop · Tool diver

Marathon
Anthracite Black
41mm · Automatic$2,100
Common cross-shop · Tool diver

Marathon
Anthracite Black on Rubber Strap
46mm · Automatic$3,250
Common cross-shop · Tool diver

Citizen
Promaster Fujitsubo
41mm · Automatic$1,195
Common cross-shop · Tool diver

Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
42.6mm · Automatic$3,600
Common cross-shop · Tool diver

Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
42.6mm · Automatic$2,900
Common cross-shop · Tool diver

Tudor
Black Bay 68
43mm · Automatic$5,475
Tool diver · Automatic

Bremont
Black 43mm
43mm · Automatic$5,100
Tool diver · Automatic
Looks like this· 9
Watches that wear the same design language — close enough that a stranger might confuse them across the room.

Pagani Design
PD-1674
44mm · Automatic$137
Common cross-shop · Tool diver

Pagani Design
PD-1767
41mm · Automatic$135
Common cross-shop · Tool diver

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

Sugess
Seestern DOX V3
42mm · Automatic$199
Tool diver · Automatic

Sugess
Ocean Star S421
40mm · Automatic$449
Tool diver · Automatic

Sugess
Ocean Star S450 YM
40mm · Automatic$449
Tool diver · Automatic

Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Same size

Seestern
S456 GMT
41mm · Automatic GMT$299
Same size · Sapphire

Seestern
S471 Double Crown Diver
38mm · Automatic$179
Automatic · Sapphire
Microbrand picks· 12
Independent makers covering the same brief — usually with something the mainstream brands don't.

Spinnaker
Flying Dutchman
43mm · Automatic$445
Shared caliber (SII NH35A) · Tool diver

Spinnaker
White Frost
43mm · Automatic$550
Shared caliber (SII NH35A) · Tool diver

Spinnaker
Blue Yonder
44mm · Automatic$239
Shared caliber (SII NH35A) · Tool diver

Phoibos
Wave Master
42mm · Automatic$309
Shared caliber (SII NH35A) · Tool diver

Phoibos
Eagle Ray
41mm · Automatic$360
Shared caliber (SII NH35A) · Tool diver

Zelos
DLC - Blue Meteorite
43mm · Automatic$599
Common cross-shop · Tool diver

CWC
1980 RN Divers Automatic Re-Issue Watch
41mm · Automatic$2,458
Common cross-shop · Tool diver

CWC
Automatic Divers Watch Mk.2 Black
41mm · Automatic$1,249
Common cross-shop · Tool diver

CWC
Automatic Divers Watch Mk.2 Black with Date
41mm · Automatic$1,249
Common cross-shop · Tool diver

Phoibos
Argo
40.5mm · Automatic$345
Shared caliber (SII NH35A) · Tool diver

Lorier
Standard
39mm · Automatic$699
Common cross-shop · Tool diver

Lorier
Standard
39mm · Automatic$699
Common cross-shop · Tool diver