Side by side

Orient Bambino Open HeartvsYema Superman Steel CMM.10

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

Bambino Open Heart
OrientBambino Open Heart
MSRP $315
Superman Steel CMM.10
YemaSuperman Steel CMM.10
MSRP $1,890

At a glance

17 of 29 specs differ
Diameter
Bambino Open Heart40.5mm
Superman Steel CMM.1039mm
Power Reserve
Bambino Open Heart40h
Superman Steel CMM.1040h
Water Resistance
Bambino Open Heart30m
Superman Steel CMM.10300m
MSRP
Bambino Open Heart$315
Superman Steel CMM.10$1,890

Full specifications

Case

8 specs
Category
Diver
Diameter
40.5mm
39mm
Thickness
12mm
11.3mm
Lug-to-Lug
46mm
Lug Width
21mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
300m
Caseback
Display
Solid

Crystal & Dial

5 specs
Crystal
Mineral
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Steel
Indices
Applied

Movement

3 specs
Caliber
FT622
Yema CMM.10
Beat Rate
21,600 vph
28,800 vph
Jewels
22
25

Pricing

1 specs
MSRP
$315
$1,890

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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.

Orient Bambino Open Heart

Owners widely praise the Orient Bambino Open Heart for its dressy style, clean dial, and reliable in-house F6724 automatic movement with hacking and hand-winding. Reviewers and owners highlight its value proposition, with one owner noting it remains a regular wear even after acquiring pricier watches. Some owners find the build quality and stock strap less premium, with one noting the mineral crystal is prone to scratching and another that the movement can be noisy. The 21mm lug width is cited as making strap swapping slightly more complicated. Overall, owners and reviewers rate the Orient Bambino Open Heart highly for its dressy aesthetic and in-house movement at its price point.

Yema Superman Steel CMM.10

Owners widely praise the Yema Superman Steel CMM.10 for its refined casework, including polished lug bevels and an elegant crown guard, and its comfortable 39mm x 10.5mm dimensions. The glossy black lacquer dial and bezel insert are noted for adding depth, and the in-house CMM.10 movement is reported to be accurate, with one owner observing a loss of only 2 seconds over 2 days. The scales bracelet is described as gorgeous and nearly invisible on the wrist, though some find its polished center links too flashy. One reviewer flagged the signature bezel lock mechanism as flimsy and inconvenient. The CMM.10 automatic movement offers a 70-hour power reserve and is regulated to within +5/-3 seconds per day. On balance, owners and reviewers rate the Yema Superman Steel CMM.10 highly for its refined finishing and comfortable wearability at its price point.

From video reviewers

The Yema Steel features an in-house movement with a micro-rotor, one of the most beautiful at this price point. The watch's clasp feels a bit thin, which is a notable drawback. Reviewers disagree on the movement's power reserve, with one reviewer noting a 42-hour reserve and the other not mentioning power reserve at all.

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