Side by side

Lum-Tec Solar MarinevsOrient Bambino Open Heart

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
Bambino Open Heart
OrientBambino Open Heart
MSRP $315

At a glance

17 of 29 specs differ
Diameter
Solar Marine39mm
Bambino Open Heart40.5mm
Power Reserve
Solar Marine40h
Bambino Open Heart40h
Water Resistance
Solar Marine300m
Bambino Open Heart30m
MSRP
Solar Marine$463
Bambino Open Heart$315

Full specifications

Case

8 specs
Category
Diver
Diameter
39mm
40.5mm
Thickness
10.7mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
20mm
21mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
30m
Caseback
Solid
Display

Crystal & Dial

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

Movement

3 specs
Caliber
FT622
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22

Pricing

1 specs
MSRP
$463
$315

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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.

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