Side by side

Nivada Grenchen Super Antarctic 35mm AutomaticvsTudor Black Bay One 31 S&G

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

Super Antarctic 35mm Automatic
Nivada GrenchenSuper Antarctic 35mm Automatic
MSRP $945
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

14 of 29 specs differ
Diameter
Super Antarctic 35mm Automatic35mm
Black Bay One 31 S&G31mm
Power Reserve
Super Antarctic 35mm Automatic36h
Black Bay One 31 S&G50h
Water Resistance
Super Antarctic 35mm Automatic100m
Black Bay One 31 S&G100m
MSRP
Super Antarctic 35mm Automatic$945
Black Bay One 31 S&G$6,850

Full specifications

Case

7 specs
Category
Sport
Diameter
35mm
31mm
Thickness
10.1mm
9.5mm
Lug-to-Lug
41.9mm
46mm
Lug Width
18mm
17mm
Finish
Brushed + Polished
Polished + Satin
Caseback
Engraved
Solid screw-down

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
Sellita SW200
MT5201
Beat Rate
4 vph
28,800 vph
Power Reserve
36h
50h
Jewels
18
25
Complications
GMT
None

Pricing

1 specs
MSRP
$945
$6,850

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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 Super Antarctic 35mm Automatic

The Nivada Grenchen Super Antarctic 35mm Automatic is praised as a fantastic time-only release with excellent legibility due to its large indices and hands, and a comfortable 38mm case. Reviewers highlight its vintage-accurate 10.1mm thinness and 200m water resistance. An owner reports accuracy gains of +6 to +9 seconds per day, and one reviewer notes the "cream" lume color appears too yellow for faux patina. Overall, owners and reviewers rate the Nivada Grenchen Super Antarctic 35mm Automatic highly for its comfortable size and excellent legibility at its price point.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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