Which is cheaper, the Lum-Tec B71 or the Henry Archer Kvantum?

At MSRP the Lum-Tec B71 is the cheaper of the two at $506, against $2,199 for the Henry Archer Kvantum — a $1,693 gap before any retailer discounting.

Which is bigger, the Lum-Tec B71 or the Henry Archer Kvantum?

The Lum-Tec B71 wears larger at 44mm versus 41mm for the Henry Archer Kvantum — a 3mm difference across the dial.

Which has better water resistance, the Lum-Tec B71 or the Henry Archer Kvantum?

The Lum-Tec B71 is rated to 200m versus 50m for the Henry Archer Kvantum.

What movement does the Lum-Tec B71 run compared to the Henry Archer Kvantum?

Both watches run quartz movements — the Lum-Tec B71 uses the Ronda 515 and the Henry Archer Kvantum uses the Seiko VK64.

Side by side

Lum-Tec B71vsHenry Archer Kvantum

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

Lum-Tec B71

combat-b71-pre-order

MSRP $506

Henry Archer Kvantum

5744002550563

MSRP $2,199

At a glance

11 of 29 specs differ

Diameter

B7144mm

Kvantum41mm

Power Reserve

B7140h

Kvantum40h

Water Resistance

B71200m

Kvantum50m

MSRP

B71$506

Kvantum$2,199

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

B71

Tan

Movement

1 specs

Caliber

Ronda 515

Seiko VK64

Pricing

1 specs

MSRP

$506

$2,199

Follow this matchup

Get a note when Lum-Tec B71 vs Henry Archer Kvantum gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Mr Jones Watchesmicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Henry Archer KvantumvsMr Jones Watches Sun and Moon Henry Archer KvantumvsMr Jones Watches Paper Crane Henry Archer KvantumvsSpinnaker Fleuss Chronograph AVI-8 Hawker Harrier Dual Retrograde ChronographvsHenry Archer Kvantum Lum-Tec B71vsHemel HFT20 Lum-Tec B71vsSpinnaker Hull Chronograph

Edit this comparison Add another watch Explore more 40–45mm watches

Lum-Tec B71vsHenry Archer Kvantum

At a glance

Full specifications

Follow this matchup

More watches worth a look

Sun and Moon

HFT20

Paper Crane

Hull Chronograph

Fleuss Chronograph

Rallygraf Meca-Quartz II

Hawker Harrier Dual Retrograde Chronograph

GT Racing Chronograph

People also compared