Side by side

Sternglas Hamburg ChronovsYema Superman Titanium Tourbillon CMM.31 Limited Edition

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

Hamburg Chrono
SternglasHamburg Chrono
MSRP $377
Superman Titanium Tourbillon CMM.31 Limited Edition
YemaSuperman Titanium Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

14 of 29 specs differ
Diameter
Hamburg Chrono42mm
Superman Titanium Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Hamburg Chrono
Superman Titanium Tourbillon CMM.31 Limited Edition40h
Water Resistance
Hamburg Chrono50m
Superman Titanium Tourbillon CMM.31 Limited Edition300m
MSRP
Hamburg Chrono$377
Superman Titanium Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
43mm
Thickness
9.3mm
11.7mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Titanium

Movement

4 specs
Caliber
Seiko TMI VK64 Mecha-Quartz
Yema CMM.31 Tourbillon
Type
Quartz
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$377
$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 Hamburg Chrono

Owners widely praise the Sternglas Hamburg Chrono for its visually pleasing design, comfortable lightweight wear, and excellent timekeeping, with specific appreciation for details like the orange date window frame and overall value for the price. Some community members find the Regatta design busy and question the VK64 movement's lack of a running second hand, though others defend its unique, colorful aesthetic. One commenter notes the significant margin between manufacturing cost and retail price. On balance, owners rate the Sternglas Hamburg Chrono highly for its design details and value at its price point.

Yema Superman Titanium Tourbillon CMM.31 Limited Edition

The Yema Superman Titanium Tourbillon CMM.31 Limited Edition is noted for its in-house titanium tourbillon movement offering a 105-hour power reserve and 200m water resistance, alongside a unique asphalt-grained dial. Owners find the 43mm size wearable, with one describing it as a contradictory "toolwatch" with exceptional movement craftsmanship. A reviewer flags the bracelet clasp's extension system as crude. On balance, owners and reviewers highlight the impressive movement and dial as key strengths of the Yema Superman Titanium Tourbillon CMM.31 Limited Edition.

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