Side by side

Seestern Sub 300 V4vsTornek-Rayville Blakjak Time-elapse

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

Sub 300 V4
SeesternSub 300 V4
MSRP $10
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

16 of 29 specs differ
Diameter
Sub 300 V442mm
Blakjak Time-elapse42.5mm
Power Reserve
Sub 300 V441h
Blakjak Time-elapse42h
Water Resistance
Sub 300 V4200m
Blakjak Time-elapse200m
MSRP
Sub 300 V4$10
Blakjak Time-elapse$895

Full specifications

Case

7 specs
Diameter
42mm
42.5mm
Thickness
13mm
13.2mm
Lug-to-Lug
46mm
49mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Sandblasted
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Orange
Black
Lume
Japan Lume (blue glow)
Superluminova

Movement

5 specs
Caliber
Seiko NH35A
SII NH36
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
42h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$895

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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.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

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