Side by side

Sternglas Naos GroßdatumvsYema Superman Tourbillon CMM.31 Limited Edition

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

Naos Großdatum
SternglasNaos Großdatum
MSRP $323
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

14 of 29 specs differ
Diameter
Naos Großdatum38mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Naos Großdatum
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Naos Großdatum50m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Naos Großdatum$323
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
43mm
Thickness
10mm
11.7mm
Lug-to-Lug
42mm
Lug Width
20mm
22mm
Water Resistance
50m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Steel
Lume
Luminova Punkten
None

Movement

4 specs
Caliber
Seiko VJ76
Yema CMM.31 Tourbillon
Type
Quartz
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$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.

Sternglas Naos Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

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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