Side by side

Maen Skymaster 38 MKIIIvsNivada Grenchen Antarctic GMT

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

Skymaster 38 MKIII
MaenSkymaster 38 MKIII
MSRP $1,679
Antarctic GMT
Nivada GrenchenAntarctic GMT
MSRP $1,740

At a glance

16 of 29 specs differ
Diameter
Skymaster 38 MKIII38mm
Antarctic GMT38mm
Power Reserve
Skymaster 38 MKIII40h
Antarctic GMT42h
Water Resistance
Skymaster 38 MKIII100m
Antarctic GMT50m
MSRP
Skymaster 38 MKIII$1,679
Antarctic GMT$1,740

Full specifications

Case

8 specs
Category
Chronograph
GMT
Thickness
13.4mm
11.1mm
Lug-to-Lug
42mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Satin
Water Resistance
100m
50m
Caseback
Solid
Engraved

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
M6.1.1
Black
Lume
None
Super-LumiNova C3

Movement

4 specs
Caliber
Sellita SW510mb
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
42h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,679
$1,740

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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.

Maen Skymaster 38 MKIII

The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which offers a premium feel with a sharp, legible dial and well-executed applied markers. Reviewers note the sweet winding action and the vintage-inspired brown sunburst dial with dauphine hands and lollipop register pointers. The watch is powered by a manual-wind Sellita SW510Mb movement with a 63-hour power reserve. Accuracy figures vary, with one reviewer reporting +7 seconds per day and another stating a tolerance of +/-15 seconds per day. On balance, owners and reviewers appreciate the Maen Skymaster 38 MKIII for its refined vintage-inspired design and compact dimensions at its price point.

From video reviewers

The 38mm case size is a key strength for the Maen Skymaster 38 MKIII. Reviewers noted the excellent quality-price ratio for a Swiss-made chronograph.

Nivada Grenchen Antarctic GMT

The Nivada Grenchen Antarctic GMT is widely praised for its authentic retro charm and excellent 36mm case proportions, with reviewers highlighting its faithful 1970s revival design and warm aesthetic. The watch features a Super Compressor-style case, a boxed Plexiglass crystal, and a caller-style Soprod C125 GMT movement with a 42-hour power reserve. However, its 50-meter water resistance is considered acceptable but not robust for a sporty watch, and the GMT hand is noted as being short and difficult to read by some. The internal bezel's tactile feedback could be stronger, and the Plexiglass crystal scratches easily. On balance, reviewers find the Nivada Grenchen Antarctic GMT to be a compelling retro-vintage option for smaller-cased GMTs, particularly for its design and compact sizing at its price point.

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