Maen Skymaster 38 MkiiivsMassena LAB Uni-Racer

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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.

Maen Skymaster 38 Mkiii at true scale

Skymaster 38 Mkiii

Massena LAB Uni-Racer at true scale

Uni-Racer

Diameter

38mm

39mm

Thickness

13.4mm

9mm

lowest

Water Resistance

100m

highest

50m

Power Reserve

n/a

58h

MSRP

$1,679

lowest

$3,495

Movement

Sellita SW510

Sellita SW510

Case

6 specs
Diameter
38mm
39mm
Thickness
13.4mm
9mm
Lug-to-Lug
n/a
n/a
Lug Width
n/a
n/a
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Acrylic
Crystal Shape
n/a
Domed
AR Coating
n/a
No
Dial Color
M6.1.1
White

Movement

3 specs
Type
Automatic
Manual
Power Reserve
0h
58h
Jewels
0
23

Pricing

1 specs
MSRP
$1,679
$3,495
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Reviews

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 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.

Massena LAB Uni-Racer

Owners praise the Massena LAB Uni-Racer for its refined vintage chronograph aesthetic, highlighting the 39mm case size and manual-wind Sellita SW510 M movement. Reviewers note the period-perfect Super-LumiNova, red crosshair dial, and snailing on recessed registers. The watch is priced at $3495 and offers a 58-hour power reserve with 50m water resistance. Overall, owners and reviewers rate the Massena LAB Uni-Racer highly for its faithful execution of vintage chronograph design cues in a modern package.

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