Side by side

Seestern Sub 300 V4vsYema Superman Dato CMM.10

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

Sub 300 V4
SeesternSub 300 V4
MSRP $10
Superman Dato CMM.10
YemaSuperman Dato CMM.10
MSRP $1,777

At a glance

16 of 29 specs differ
Diameter
Sub 300 V442mm
Superman Dato CMM.1039.5mm
Power Reserve
Sub 300 V441h
Superman Dato CMM.1040h
Water Resistance
Sub 300 V4200m
Superman Dato CMM.10300m
MSRP
Sub 300 V4$10
Superman Dato CMM.10$1,777

Full specifications

Case

6 specs
Diameter
42mm
39.5mm
Thickness
13mm
11.85mm
Lug-to-Lug
46mm
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Orange
39.5mm Automatic
Lume
Japan Lume (blue glow)
None

Movement

5 specs
Caliber
Seiko NH35A
Yema CMM.10
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$1,777

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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.

Yema Superman Dato CMM.10

Owners widely praise the Yema Superman Dato CMM.10 for its excellent value and retro-inspired design, with particular appreciation for the tropical dial and faded bezel. The in-house CMM.10 movement is noted for its 70-hour power reserve and stated accuracy of +5/-3 seconds per day. Some owners find the strap uncomfortable on smaller wrists, and the bezel lock mechanism is considered flimsy by one reviewer. The CMM.10 movement is thicker than alternative micro-rotor movements. Overall, owners rate the Yema Superman Dato CMM.10 highly for its distinctive aesthetic and strong value proposition.

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