Side by side

Seestern Sub 300 V4vsSpinnaker Bradner GMT

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

Sub 300 V4
SeesternSub 300 V4
MSRP $10
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

16 of 29 specs differ
Diameter
Sub 300 V442mm
Bradner GMT42mm
Power Reserve
Sub 300 V441h
Bradner GMT40h
Water Resistance
Sub 300 V4200m
Bradner GMT180m
MSRP
Sub 300 V4$10
Bradner GMT$299

Full specifications

Case

7 specs
Category
Diver
GMT
Thickness
13mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
180m
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Orange
Brown
Lume
Japan Lume (blue glow)
None

Movement

5 specs
Caliber
Seiko NH35A
Seiko NH34A
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$299

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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.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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