Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsSpinnaker Challenger Automatic

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

13 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Challenger Automatic42mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Challenger Automatic40h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Challenger Automatic200m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Challenger Automatic$289

Full specifications

Case

5 specs
Diameter
44mm
42mm
Thickness
13mm
19mm
Lug-to-Lug
49.3mm
49.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
8L35
SII NH35A
Power Reserve
50h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$289

Follow this matchup

Get a note when Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition vs Spinnaker Challenger Automatic gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

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.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.