Side by side

CIGA Design BLUE PLANETvsSeestern S450 Ocean Star

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

BLUE PLANET
CIGA DesignBLUE PLANET
MSRP $999
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
BLUE PLANET
S450 Ocean Star40mm
Power Reserve
BLUE PLANET
S450 Ocean Star41h
Water Resistance
BLUE PLANET30m
S450 Ocean Star100m
MSRP
BLUE PLANET$999
S450 Ocean Star$299

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
40mm
Thickness
12mm
Lug-to-Lug
48mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

2 specs
Dial Color
White
Lume
None
Tritium

Movement

5 specs
Caliber
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
41h
Jewels
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$999
$299

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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.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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