Side by side

CIGA Design BLUE PLANETvsSeiko 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.

BLUE PLANET
CIGA DesignBLUE PLANET
MSRP $999

At a glance

14 of 29 specs differ
Diameter
BLUE PLANET
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
BLUE PLANET
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
BLUE PLANET30m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
BLUE PLANET$999
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
44mm
Thickness
13mm
Lug-to-Lug
49.3mm
Lug Width
20mm
Water Resistance
30m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
8L35
Power Reserve
50h
Jewels
26

Pricing

1 specs
MSRP
$999
$3,300

Follow this matchup

Get a note when CIGA Design BLUE PLANET 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.

What people say

Owners + reviewers, side by side

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

CIGA Design BLUE PLANET

The CIGA Design BLUE PLANET is widely praised for its unique visual impact and aesthetic, particularly its 3D rotating globe dial with raised topography. Owners and reviewers consistently highlight the high aesthetics and unique time-telling mechanism. However, legibility is a recurring concern, with multiple sources noting difficulty distinguishing familiar continents and small, unclear markers. The 46mm case, while lugless and surprisingly wearable for some due to its short lug-to-lug distance, is described as top-heavy and having substantial heft, especially in stainless steel. The automatic movement offers a 40-hour power reserve and an accuracy range of +30/-15 seconds per day. On balance, owners and reviewers appreciate the CIGA Design BLUE PLANET for its striking, unique dial design and aesthetic appeal, despite significant legibility challenges.

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.

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.