Side by side

Citizen Series 8 880 GMT Gold-TonevsSeiko Prospex Sea

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

Series 8 880 GMT Gold-Tone
CitizenSeries 8 880 GMT Gold-Tone
MSRP $1,595
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

12 of 29 specs differ
Diameter
Series 8 880 GMT Gold-Tone41mm
Prospex Sea41.3mm
Power Reserve
Series 8 880 GMT Gold-Tone50h
Prospex Sea72h
Water Resistance
Series 8 880 GMT Gold-Tone100m
Prospex Sea300m
MSRP
Series 8 880 GMT Gold-Tone$1,595
Prospex Sea$1,100

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
41mm
41.3mm
Thickness
12mm
12.5mm
Lug-to-Lug
46mm
48.2mm
Material
Gold
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Underside
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
9054
6R55
Power Reserve
50h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,595
$1,100

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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.

Citizen Series 8 880 GMT Gold-Tone

The gold-tone Citizen Series 8 880 GMT features a "Root Beer"-like color scheme with a gradient white-to-black dial and gold accents, inspired by the Tokyo skyline. Reviewers note its chunky, angular case silhouette with short lugs and a bracelet with two shades of ion-plated gold. The bidirectional bezel has a serrated edge and clicks hourly, featuring a blue and black 24-hour scale. It offers GMT functionality with an independently jumping local hour hand and 100 meters of water resistance, powered by the Citizen 9054 automatic GMT movement. Lume is described as good but not as intense as a dive watch. At its price point, the pin-and-collar bracelet system lacking micro-adjustments is flagged as a drawback. Overall, reviewers highlight the unique color scheme and GMT functionality as key features of the Citizen Series 8 880 GMT Gold-Tone.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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