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  3. Buster 400 HL vs Seek 420

Sigma Buster 400 HL vs Silva Seek 420

What Buster 400 HL does better (0) and where Seek 420 wins (1) — every spec side by side.

Sigma Buster 400 HL
Sigma · 2025Buster 400 HL
7.1Score
0 advantages≈ $25
vs
Silva Seek 420
Silva · 2025Seek 420
7.5Score
1 advantage≈ $30
Higher score
4.3Brightness & throw4.7
8.8Build & durability8.2

Why is Buster 400 HL better than Seek 420?

Buster 400 HL has no measurable advantages in this pair.

Why is Seek 420 better than Buster 400 HL?

  1. Maximum output400 lm vs 420 lm+5%
Specifications

Side by side

Silva Seek 420Silva Seek 420≈ $307.5
Light output
Maximum output400 lm420 lm
Light sourceLEDLED
LED & beam
Number of LEDs—3
Battery & charging
Battery—AAA
Maximum runtime—110 h
Rechargeable—Yes
Build & durability
Water protection (IPx)IPx8IPx8
Submersible to2 m2 m
Body material—Plastic / polymer
Size & weight
Weight—92 g
Modes & features
Red light—Yes
ColoursBlackBlue
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