Side by side

Nivada Grenchen Antarctic 38mm AutomaticvsGrand Seiko SBGR321

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

Antarctic 38mm Automatic
Nivada GrenchenAntarctic 38mm Automatic
MSRP $945
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

14 of 29 specs differ
Diameter
Antarctic 38mm Automatic38mm
SBGR32140mm
Power Reserve
Antarctic 38mm Automatic36h
SBGR32172h
Water Resistance
Antarctic 38mm Automatic200m
SBGR321100m
MSRP
Antarctic 38mm Automatic$945
SBGR321$5,200

Full specifications

Case

7 specs
Category
Tool
Dress
Diameter
38mm
40mm
Thickness
10.1mm
13mm
Lug-to-Lug
46mm
46.6mm
Finish
Brushed + Polished + Satin
Brushed and polished
Water Resistance
200m
100m
Caseback
Display
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Brown
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW200
9S65
Power Reserve
36h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$945
$5,200

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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.

Nivada Grenchen Antarctic 38mm Automatic

Nivada Grenchen Antarctic 38mm Automatic owners widely praise its excellent quality for the price, with reviewers highlighting its authentic tropical dial recreation and attractive 38mm case proportions. Owners report accuracy ranging from +6 to +9 seconds per day, and one reviewer notes the Soprod P024 movement has a 38-hour power reserve. The included rally strap is considered mismatched by one reviewer, and the beige Super-LumiNova on a 35mm variant was described as too yellow. On balance, owners and reviewers rate the Nivada Grenchen Antarctic 38mm Automatic highly for its authentic design and excellent quality at its $750 price point.

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.

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