Side by side

CIGA Design BLUE PLANETvsSeiko 5 Sports Field series

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

BLUE PLANET
CIGA DesignBLUE PLANET
MSRP $999
5 Sports Field series
Seiko5 Sports Field series
MSRP $450
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 5 Sports Field series

The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.

From video reviewers

The prominent five-sided GMT hand enhances legibility and adds a sophisticated aesthetic to the watch. The Seiko 5 Sports Field series offers similar functionality to the Explorer 2 at a lower price, making it a valuable option. Reviewers disagree on whether it's a missed opportunity for Seiko to release this model first, with one reviewer implying it would have been a more logical addition to their lineup.

At a glance

14 of 29 specs differ
Diameter
BLUE PLANET
5 Sports Field series39.4mm
Power Reserve
BLUE PLANET
5 Sports Field series41h
Water Resistance
BLUE PLANET30m
5 Sports Field series100m
MSRP
BLUE PLANET$999
5 Sports Field series$450

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
39.4mm
Thickness
13.6mm
Lug-to-Lug
47.9mm
Lug Width
20mm
Water Resistance
30m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
4R34
Power Reserve
41h
Jewels
24

Pricing

1 specs
MSRP
$999
$450
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