Citizen Series 8 880 GMTvsSeiko Prospex Land Mechanical GMT
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Series 8 880 GMT

Prospex Land Mechanical GMT
Diameter
41mm
39.5mm
Lug-to-Lug
n/a
46.4mm
Thickness
13.5mm
lowest
13.6mm
Water Resistance
100m
200m
highest
Power Reserve
50h
72h
highest
MSRP
$1,495
$1,150
lowest
Movement
Miyota 9054
Seiko 6R54
Case
5 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Citizen Series 8 880 GMT's refined, modern look and textured, snowflake-like dial. Reviewers note its striking gunmetal coating, gold-plated bezel, and true GMT movement. The watch features a 41mm case and 100m water resistance. One owner questions the price point, while another awaits a different colorway. The Miyota 9054 movement has a broad accuracy specification of -10/+20 seconds per day and a 50-hour power reserve. Overall, owners and reviewers appreciate the Citizen Series 8 880 GMT's distinctive design and GMT functionality, though some express reservations about its price.
Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of the 6117 design, its attractive gray dial, and comfortable bracelet. Reviewers highlight its handsome everyday sports watch appeal and classic Seiko diver aesthetics. However, community members are split on the value proposition, with many deeming it overpriced at $970, suggesting a better price point around $700 or on sale. Some owners criticize the 6R54 movement's accuracy, reporting deviations of up to +/- 20 seconds per day, and prefer a local jumping GMT function over the caller style. On balance, owners and reviewers appreciate the Seiko Prospex Land Mechanical GMT's design and wearability, but opinions are divided on its price and movement performance relative to alternatives.
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