Side by side

Orient Bambino Open HeartvsGrand Seiko SBGW258

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

Bambino Open Heart
OrientBambino Open Heart
MSRP $315
SBGW258
Grand SeikoSBGW258
MSRP $26,000

At a glance

18 of 29 specs differ
Diameter
Bambino Open Heart40.5mm
SBGW25838mm
Power Reserve
Bambino Open Heart40h
SBGW25872h
Water Resistance
Bambino Open Heart30m
SBGW25830m
MSRP
Bambino Open Heart$315
SBGW258$26,000

Full specifications

Case

7 specs
Category
Dress
Diameter
40.5mm
38mm
Thickness
12mm
10.9mm
Lug-to-Lug
46mm
45.8mm
Lug Width
21mm
19mm
Material
Stainless Steel
Gold
Caseback
Display
Solid

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Yes
Dial Color
White
Black
Indices
Applied

Movement

5 specs
Caliber
FT622
9S64
Type
Automatic
Manual
Beat Rate
21,600 vph
28,800 vph
Power Reserve
40h
72h
Jewels
22
25

Pricing

1 specs
MSRP
$315
$26,000

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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.

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.

Grand Seiko SBGW258

The Grand Seiko SBGW258 is a yellow gold dress watch featuring a 38mm case and a manual-wind caliber 9S64 movement with a 72-hour power reserve, rated for accuracy to +5/-3 seconds per day. It includes a raised gold logo on the dial and comes with a brown leather strap. On balance, reviewers highlight the Grand Seiko SBGW258 as a classic, precious metal timepiece representing fine watchmaking tradition.

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