Side by side

CIGA Design EASTERN JADEvsSeiko Prospex Sea

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

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 EASTERN JADE

CIGA Design is widely seen as a compelling, avant-garde design for its price. Owners and reviewers note the proprietary ceramic jade case offers a weighty, cool feel, and the skeletonized dial is surprisingly legible with effective hour indices and varied finishing. However, the CD-02 automatic movement's accuracy is rated conservatively at -15/+30 seconds per day, and the plain caseback and 30-meter water resistance are noted downsides. Some owners have reported issues with the movement after varying periods of use, with one experiencing a rotor issue after over a year of daily wear and another's watch stopping after two months. The accompanying ceramic bracelet is described as simple with wider tolerances, and one owner found the included leather strap subpar. Overall, owners and reviewers rate CIGA Design highly for its avant-garde aesthetic and value, despite some concerns regarding movement reliability and accuracy.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

13 of 29 specs differ
Diameter
EASTERN JADE43mm
Prospex Sea41.7mm
Power Reserve
EASTERN JADE
Prospex Sea41h
Water Resistance
EASTERN JADE30m
Prospex Sea200m
MSRP
EASTERN JADE$399
Prospex Sea$595

Full specifications

Case

6 specs
Category
Skeleton
Diver
Diameter
43mm
41.7mm
Thickness
12.9mm
12.3mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Water Resistance
30m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
Super-LumiNova® on the gear enhance nighttime visibility in this light and graceful design
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
CD-02
Seiko 4R35
Power Reserve
41h
Jewels
26
23

Pricing

1 specs
MSRP
$399
$595
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