Side by side

Citizen Series 8 880 GMTvsYema Superman Tourbillon CMM.31 Limited Edition

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

Series 8 880 GMT
CitizenSeries 8 880 GMT
MSRP $1,495
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

12 of 29 specs differ
Diameter
Series 8 880 GMT41mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Series 8 880 GMT50h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Series 8 880 GMT100m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Series 8 880 GMT$1,495
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
41mm
43mm
Thickness
12mm
11.7mm
Lug-to-Lug
46mm
Lug Width
11mm
22mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Blue
Steel

Movement

2 specs
Caliber
9054
Yema CMM.31 Tourbillon
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$1,495
$13,000

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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

Owners praise the Citizen Series 8 880 GMT's refined, modern look and textured dial. Reviewers highlight its striking gunmetal coating, snowflake-like dial pattern, and true GMT movement. The watch features an edgy 41mm case with a gold-plated bezel and three-link bracelet, powered by the in-house calibre 9054 offering a 50-hour power reserve and a broad accuracy specification of -10/+20 seconds per day, retailing for $1,800. One owner questioned the price point, while another expressed interest in different colorways. On balance, owners and reviewers appreciate the Citizen Series 8 880 GMT's distinctive aesthetic and GMT functionality.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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