Side by side

Maen Skymaster 38 MKIIIvsTudor Black Bay 58 Bronze

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
Black Bay 58 Bronze
TudorBlack Bay 58 Bronze
MSRP $5,850

At a glance

20 of 29 specs differ
Diameter
Skymaster 38 MKIII38mm
Black Bay 58 Bronze39mm
Power Reserve
Skymaster 38 MKIII40h
Black Bay 58 Bronze70h
Water Resistance
Skymaster 38 MKIII100m
Black Bay 58 Bronze200m
MSRP
Skymaster 38 MKIII$1,679
Black Bay 58 Bronze$5,850

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
38mm
39mm
Thickness
13.4mm
11.9mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
316L Stainless Steel
Bronze
Finish
Brushed and polished
Brushed + Satin
Water Resistance
100m
200m
Caseback
Solid
Engraved

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
M6.1.1
Black

Movement

6 specs
Caliber
Sellita SW510mb
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$1,679
$5,850

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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.

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.

Tudor Black Bay 58 Bronze

The Tudor Black Bay 58 Bronze is widely praised for its unique, evolving aesthetic driven by its developing bronze patina, which owners describe as an incremental pleasure and a conversation starter. Reviewers highlight its warm, vintage feel, achieved through the aging bronze case, root-beer brown bezel, and rose gold-toned dive scale, complemented by applied Arabic numerals on a 39mm case. The MT5400 movement is noted for its 70-hour power reserve and COSC-certified accuracy, with one owner reporting a net loss of about one second every three days. The bezel action is described as firm and reassuring, tighter than steel Black Bay models. Owners report the watch wears well dressed up or down, and its finishing is favorably compared to higher-end brands. However, some owners note the soft bronze case scratches easily and can cause blueing on the wrist in hot weather.

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