Side by side

Seestern Sub 300 V4vsMaen Skymaster 38 MKIII

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

Sub 300 V4
SeesternSub 300 V4
MSRP $10
Skymaster 38 MKIII
MaenSkymaster 38 MKIII
MSRP $1,679

At a glance

18 of 29 specs differ
Diameter
Sub 300 V442mm
Skymaster 38 MKIII38mm
Power Reserve
Sub 300 V441h
Skymaster 38 MKIII40h
Water Resistance
Sub 300 V4200m
Skymaster 38 MKIII100m
MSRP
Sub 300 V4$10
Skymaster 38 MKIII$1,679

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
42mm
38mm
Thickness
13mm
13.4mm
Lug-to-Lug
46mm
Lug Width
20mm
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Orange
M6.1.1
Lume
Japan Lume (blue glow)
None

Movement

5 specs
Caliber
Seiko NH35A
Sellita SW510mb
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$1,679

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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.

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

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.

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