Side by side

Nivada Grenchen Antarctic 38mm AutomaticvsGrand Seiko SBGM221

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
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

15 of 29 specs differ
Diameter
Antarctic 38mm Automatic38mm
SBGM22139.5mm
Power Reserve
Antarctic 38mm Automatic36h
SBGM22172h
Water Resistance
Antarctic 38mm Automatic200m
SBGM22130m
MSRP
Antarctic 38mm Automatic$945
SBGM221$5,400

Full specifications

Case

8 specs
Category
Tool
GMT
Diameter
38mm
39.5mm
Thickness
10.1mm
13.7mm
Lug-to-Lug
46mm
46.9mm
Lug Width
20mm
19mm
Finish
Brushed + Polished + Satin
Brushed and polished
Water Resistance
200m
30m
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
9S66
Power Reserve
36h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$945
$5,400

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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 SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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