Side by side

IWC Schaffhausen Iw3565 Portofino AutomaticvsGrand Seiko SBGR321

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

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 Iw3565 Portofino Automatic

Owners widely praise the IWC Schaffhausen Portofino for its clean, classic dress watch aesthetic and refined dial details, with many finding the 40mm size perfect for smaller wrists and noting its ability to provide a spark of joy. Some owners admire the dial color in sunlight and the versatility offered by changing straps. One owner notes its modified Sellita SW300/ETA 29xx movement is reliable and accurate, and another reports excellent timekeeping, with IWC reportedly maintaining chronometer standards. However, some find the Portofino overpriced and less valuable compared to watches with in-house movements. One owner reported their watch stopped working immediately after being dropped and required a lengthy repair. On balance, owners and reviewers rate the IWC Schaffhausen Portofino highly for its classical sophistication and understated elegance.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

At a glance

13 of 29 specs differ
Diameter
Iw3565 Portofino Automatic40mm
SBGR32140mm
Power Reserve
Iw3565 Portofino Automatic50h
SBGR32172h
Water Resistance
Iw3565 Portofino Automatic30m
SBGR321100m
MSRP
Iw3565 Portofino Automatic$15,500
SBGR321$5,200

Full specifications

Case

6 specs
Thickness
9.2mm
13mm
Lug-to-Lug
46.6mm
Material
18 Ct 5N Gold
Stainless Steel
Finish
Steel
Brushed and polished
Water Resistance
30m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Crystal Shape
Flat
AR Coating
Yes
Indices
Applied

Movement

2 specs
Caliber
35111
9S65
Power Reserve
50h
72h

Pricing

1 specs
MSRP
$15,500
$5,200
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