Nivada Grenchen Chronomaster 41mm Automatic ChronographvsMaen Skymaster 38 Mkiii

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Nivada Grenchen Chronomaster 41mm Automatic Chronograph at true scale

Chronomaster 41mm Automatic Chronograph

Maen Skymaster 38 Mkiii at true scale

Skymaster 38 Mkiii

Diameter

41mm

38mm

Lug-to-Lug

48.5mm

n/a

Thickness

15.8mm

13.4mm

lowest

Water Resistance

100m

100m

MSRP

$2,395

$1,679

lowest

Movement

Automatic

Sellita SW510

Case

7 specs
Diameter
41mm
38mm
Thickness
15.85mm
13.4mm
Lug-to-Lug
48.5mm
n/a
Lug Width
20mm
n/a
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
n/a
Caseback
316L Stainless Steel
n/a

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
M6.1.1
Lume
x1
None

Movement

3 specs
Caliber
n/a
Sellita SW510
Beat Rate
4 vph
0 vph
Complications
GMT, Chronograph, Small seconds
None

Pricing

1 specs
MSRP
$2,395
$1,679
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Nivada Grenchen Chronomaster 41mm Automatic Chronograph

Owners widely praise the Nivada Grenchen Chronomaster 41mm Automatic Chronograph for its comfortable 41mm case size and elegant bracelet, with one owner finding its "fauxtina" dial closer to vintage character than modern alternatives. The watch features great finishing and legible tri-color sub-dials. Accuracy is reported at +1 second per day by one owner. However, one owner found the Nivada Grenchen Chronomaster 41mm Automatic Chronograph to feel poorly put together and lighter than expected. On balance, owners and reviewers rate the Nivada Grenchen Chronomaster 41mm Automatic Chronograph highly for its vintage-inspired dial and versatile bezel combination.

Maen Skymaster 38 Mkiii

The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which is considered a positive for a modern mechanical chronograph. Reviewers highlight its clean dial, sharp legibility, and well-executed applied markers, with one noting a brown sunburst dial evoking vintage tropical effects. The winding action is described as sweet, and the watch is powered by a Sellita SW510Mb manual-wind movement. Accuracy figures vary, with one source reporting an average of +7 seconds per day and another stating a tolerance of +/-15 seconds per day, and both note a 63-hour power reserve. Overall, reviewers rate the Maen Skymaster 38 MKIII highly for its vintage-inspired design and premium feel 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.

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