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IWC Schaffhausen Iw357415 Portofino AutomaticvsGrand Seiko SBGX353

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

SBGX353
Grand SeikoSBGX353
MSRP $4,100
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

IWC Schaffhausen Iw357415 Portofino Automatic

Owners widely praise the IWC Schaffhausen Iw357415 Portofino Automatic for its clean, classic dress watch aesthetic and elegant, minimalist design, with many appreciating its slim profile. One owner highlights the appealing blue dial color, while another notes it keeps excellent time. However, some question its value proposition, especially given the use of an external movement and its price point relative to competitors. One owner found the watch had a larger presence on the wrist than expected. Overall, owners rate the IWC Schaffhausen Iw357415 Portofino Automatic highly for its classic dress watch aesthetic and elegant design.

Grand Seiko SBGX353

The Grand Seiko SBGX353 is widely praised for its mesmerizing "Skyflake" textured blue dial, considered by owners to be "perfect art." Reviewers and owners alike highlight the watch's elegant 34mm case size and the advanced 9F61 quartz movement, noting its exceptional ±10 seconds per year accuracy and precise second-hand alignment. Some owners find the dial's aesthetic appeal slightly diminished when worn compared to other options, and one owner replaced the quick-release buckle for a Hirsch clasp. Overall, owners rate the Grand Seiko SBGX353 highly for its exquisite dial finishing and the precision of its quartz movement at its price point.

At a glance

13 of 29 specs differ
Diameter
Iw357415 Portofino Automatic34mm
SBGX35334mm
Power Reserve
Iw357415 Portofino Automatic50h
SBGX35340h
Water Resistance
Iw357415 Portofino Automatic30m
SBGX35330m
MSRP
Iw357415 Portofino Automatic$6,500
SBGX353$4,100

Full specifications

Case

5 specs
Thickness
8.6mm
10.7mm
Lug-to-Lug
41.5mm
Lug Width
16mm
18mm
Finish
18 ct 5N gold
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Green
Black
Indices
Applied

Movement

3 specs
Caliber
35100
9F61
Type
Automatic
Quartz
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,500
$4,100
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