Side by side

Sinn 1736 St I 4NvsGrand Seiko SBGR321

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

1736 St I 4N
Sinn1736 St I 4N
MSRP $2,030
SBGR321
Grand SeikoSBGR321
MSRP $5,200
What people say

Owners + reviewers, side by side

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

Sinn 1736 St I 4N

Owners widely praise the Sinn 1736 St I 4N for its elegant silver and gold combination, minimalistic design, and smooth winding action. The watch is noted for its versatility, suitable for both dress and casual wear, with a 100m water resistance rating. Accuracy is reported as excellent, with one owner observing no time deviation over six weeks. Some owners miss a second hand and find the stock strap uncomfortable, while others note the 36mm size can wear larger than expected due to its flat profile. The community is split on the price, with some hesitant to purchase without trying it on first. Overall, owners rate the Sinn 1736 St I 4N highly for its sophisticated design and reliable timekeeping at the price.

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

14 of 29 specs differ
Diameter
1736 St I 4N36mm
SBGR32140mm
Power Reserve
1736 St I 4N42h
SBGR32172h
Water Resistance
1736 St I 4N100m
SBGR321100m
MSRP
1736 St I 4N$2,030
SBGR321$5,200

Full specifications

Case

7 specs
Category
Tool
Dress
Diameter
36mm
40mm
Thickness
9mm
13mm
Lug-to-Lug
46.6mm
Lug Width
19mm
20mm
Finish
polished
Brushed and polished
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
Silver
Black

Movement

3 specs
Caliber
ETA 2892-A2
9S65
Power Reserve
42h
72h
Jewels
21
25

Pricing

1 specs
MSRP
$2,030
$5,200
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