Side by side

IWC Schaffhausen Iw357415 Portofino AutomaticvsGrand Seiko SBGW257

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

SBGW257
Grand SeikoSBGW257
MSRP $38,000
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 SBGW257

The Grand Seiko SBGW257 is a platinum dress watch praised for its refined, subtle luxury and classic design. Reviewers highlight its 38mm diameter and 10.9mm thickness as near-perfect sizing for a dress watch. The watch features an 18k white gold dial with a sunray-brushed silver finish and gold hour markers, complemented by a refined application of the Grand Seiko wordmark. It is powered by the manual-wind Caliber 9S64 movement, offering a 72-hour power reserve and an accuracy rating of +5 to -3 seconds per day. The Grand Seiko SBGW257 is priced at €39,000. On balance, reviewers appreciate the Grand Seiko SBGW257 for its exquisite finishing and classic proportions, embodying a quiet luxury.

At a glance

15 of 29 specs differ
Diameter
Iw357415 Portofino Automatic34mm
SBGW25738mm
Power Reserve
Iw357415 Portofino Automatic50h
SBGW25772h
Water Resistance
Iw357415 Portofino Automatic30m
SBGW25730m
MSRP
Iw357415 Portofino Automatic$6,500
SBGW257$38,000

Full specifications

Case

7 specs
Diameter
34mm
38mm
Thickness
8.6mm
10.9mm
Lug-to-Lug
45.8mm
Lug Width
16mm
19mm
Material
Stainless Steel
Platinum
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
9S64
Type
Automatic
Manual
Power Reserve
50h
72h

Pricing

1 specs
MSRP
$6,500
$38,000
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