Side by side

Grand Seiko SBGR321vsNodus Sector II Field Titanium

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
Sector II Field Titanium
NodusSector II Field Titanium
MSRP $550

At a glance

12 of 29 specs differ
Diameter
SBGR32140mm
Sector II Field Titanium38mm
Power Reserve
SBGR32172h
Sector II Field Titanium41h
Water Resistance
SBGR321100m
Sector II Field Titanium100m
MSRP
SBGR321$5,200
Sector II Field Titanium$550

Full specifications

Case

5 specs
Category
Dress
Field
Diameter
40mm
38mm
Thickness
13mm
11.7mm
Lug-to-Lug
46.6mm
47mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
Dial Color
Black
Lume
None
Swiss Super-LumiNova® BGW9 Grade A

Movement

3 specs
Caliber
9S65
TMI NH38
Power Reserve
72h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$5,200
$550

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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.

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.

Nodus Sector II Field Titanium

The Nodus Sector II Field Titanium is lauded for its comfortable, thinner 38mm titanium case with a matte, media-blasted finish and scratch-resistant coating, a standout layered dial design, and a comfortable TecTuff rubber strap. Reviewers note its tough, affordable tool watch nature, featuring olive green Ceracote on the titanium case and a tropical dial with Super-LumiNova BGW9 lume. The TMI NH38 movement provides a 41-hour power reserve, and accuracy is regulated to +/-10 seconds per day. The all-matte finishing lacks the visual refinement of polished elements found on other Nodus models. Overall, reviewers praise the Nodus Sector II Field Titanium for its durable construction and distinctive design at an accessible price point.

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