Massena LAB GeometervsMaen 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.

Massena LAB Geometer at true scale

Geometer

Maen Skymaster 38 Mkiii at true scale

Skymaster 38 Mkiii

Diameter

39mm

38mm

Thickness

9mm

lowest

13.4mm

Water Resistance

50m

100m

highest

Power Reserve

58h

n/a

MSRP

$3,495

$1,679

lowest

Movement

Sellita SW510

Sellita SW510

Case

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

Crystal & Dial

5 specs
Crystal
Acrylic
Domed Sapphire
Crystal Shape
Domed
n/a
AR Coating
No
n/a
Dial Color
Brown
M6.1.1
Lume
Cream
None

Movement

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

Pricing

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

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

Massena LAB Geometer

The Massena LAB Geometer is lauded for its clever reimagining of a mid-1950s chronograph, featuring a striking dial and distinctive hands, though some find these hands slightly challenging to differentiate. Owners widely appreciate the smooth winding action of the manual-wind Sellita SW510 movement housed within its 39mm polished stainless steel case. One owner finds the dial too busy with multiple rings and questions the value proposition for a microbrand utilizing an off-the-shelf movement at its price point. Overall, owners and reviewers rate the Massena LAB Geometer highly for its vintage-inspired design and enjoyable manual-winding experience.

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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