Side by side

Citizen Series 8 870vsDOXA SUB 250T GMT

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

Series 8 870
CitizenSeries 8 870
MSRP $1,095
SUB 250T GMT
DOXASUB 250T GMT
MSRP $2,790

At a glance

9 of 29 specs differ
Diameter
Series 8 87039mm
SUB 250T GMT40mm
Power Reserve
Series 8 87042h
SUB 250T GMT50h
Water Resistance
Series 8 870100m
SUB 250T GMT250m
MSRP
Series 8 870$1,095
SUB 250T GMT$2,790

Full specifications

Case

4 specs
Category
Sport
Diver
Diameter
39mm
40mm
Lug Width
11mm
20mm
Water Resistance
100m
250m

Crystal & Dial

2 specs
AR Coating
Underside
Yes
Dial Color
Green
Aquamarine

Movement

2 specs
Caliber
9051
Power Reserve
42h
50h

Pricing

1 specs
MSRP
$1,095
$2,790

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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 8 870

The Citizen Series 8 870 is praised for its compelling value proposition and modern Japanese design with a sporty edge. Reviewers note its 40mm steel case, glossy dial with applied markers, and the in-house Calibre 0950 automatic movement offering 50 hours of power reserve and enhanced magnetic resistance. The flat sapphire crystal is noted to collect fingerprints, and the solid caseback omits a view of the movement. The limited edition variant features a 40.8mm black DLC-coated case, a carbon fiber dial, and the 0950 movement regulated to -5/+10 seconds per day. Overall, the Citizen Series 8 870 is viewed as a strong offering for its blend of design and features.

DOXA SUB 250T GMT

The DOXA SUB 250T GMT is widely praised for its compact and wearable 40mm case, with reviewers noting its slim 10.85mm thickness and short lug-to-lug measurement, making it comfortable on most wrists. Its precise bezel action is described as satisfying, and the watch offers 250 meters of water resistance. The inclusion of a GMT complication is seen as a valuable addition to Doxa's utilitarian dive watch design. However, the skeletonized GMT hand is a point of contention, with some reviewers finding it quirky and less intuitive, especially when compared to the minute hand, though others note it looks better in person and is easily ignored for diving. One reviewer expressed a preference for a "flier-style" movement for a dedicated travel watch. Limited editions are noted as having a slight price premium. The Sellita SW330-2 movement is generally mentioned, with power reserve figures varying between 50 and 56 hours.

From video reviewers

The watch's refined and wearable 42mm case size is a strength. Reviewers noted the iconic Doxa aesthetic combined with GMT functionality. No shared weaknesses were identified.

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