Side by side

Serket Watch Co ReefvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Add a watch
Reef
Serket Watch CoReef
MSRP $899
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
SeikoProspex Sea 1970 Heritage Diver's Black Series Limited Edition
MSRP $3,300
Buy from Serket Watch Co ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Reef46mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Reef38h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Reef300m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Reef$899
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs
Category
—
Diver
Diameter
46mm
44mm
Thickness
14mm
13mm
Lug-to-Lug
52mm
49.3mm
Lug Width
24mm
20mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
8L35
Power Reserve
38h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$899
$3,300
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.

CWC (Cabot Watch Company) Mutineer Automatic Divers Watch
CWC (Cabot Watch Company)micro

Mutineer Automatic Divers Watch

Ref. cwc-mutineer-divers-watch
45mm·Automatic·300m WR
$2,438MSRP
—Used
Echo/Neutra Cristallo Professional Diver 500m
Echo/Neutramicro

Cristallo Professional Diver 500m

2 variantsCRISTALLO
42mm·Automatic·500m WR
$1,450MSRP
—Used
CWC (Cabot Watch Company) E9 Automatic Diver Watch
CWC (Cabot Watch Company)micro

E9 Automatic Diver Watch

2 variantsRef. cwc-e9-diver-watch
45mm·Automatic·300m WR
$2,120MSRP
—Used
Geckota Sea-Hunter Dive Watch
Geckotamicro

Sea-Hunter Dive Watch

6 variantsSea-Hunter
40mm·Automatic·200m WR
$349MSRP
—Used
Geckota Phalanx
Geckotamicro

Phalanx

8 variantsPhalanx
42mm·Automatic·300m WR
$349MSRP
—Used
Limes Leviathan L
Limesmicro

Leviathan L

44.5mm·Automatic·300m WR
—MSRP
—Used
Borealis Watch Co. Jamanta
Borealis Watch Co.micro

Jamanta

5 variantsJamanta
42.50mm·Automatic·300m WR
$415MSRP
—Used
Zero West DB-1 BLACKOUT LANCASTER
Zero Westmicro

DB-1 BLACKOUT LANCASTER

3 variantsRef. db-1-blackout-lancaster
44mm·Automatic·100m WR
$3,600MSRP
—Used
All alternatives to the Reef →All alternatives to the Prospex Sea 1970 Heritage Diver's Black Series Limited Edition →
Explore the full catalog

Follow this matchup

Get a note when Serket Watch Co Reef vs Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition 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.

CWC (Cabot Watch Company) Mutineer Automatic Divers WatchvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionCWC (Cabot Watch Company) E9 Automatic Diver WatchvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionCWC (Cabot Watch Company) Arctic Radar Automatic Diver WatchvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionLimes Leviathan LvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionEcho/Neutra Cristallo Professional Diver 500mvsSerket Watch Co ReefGeckota Sea-Hunter Dive WatchvsSerket Watch Co Reef
Edit this comparisonAdd another watchExplore more 43–47mm watches