Which is cheaper, the Massena LAB Geometer or the Lum-Tec Eclipse?

At MSRP the Lum-Tec Eclipse is the cheaper of the two at $695, against $3,495 for the Massena LAB Geometer — a $2,800 gap before any retailer discounting.

Which is bigger, the Massena LAB Geometer or the Lum-Tec Eclipse?

The Lum-Tec Eclipse wears larger at 42mm versus 39mm for the Massena LAB Geometer — a 3mm difference across the dial.

Which has better water resistance, the Massena LAB Geometer or the Lum-Tec Eclipse?

The Lum-Tec Eclipse is rated to 101m versus 50m for the Massena LAB Geometer.

Which has a longer power reserve, the Massena LAB Geometer or the Lum-Tec Eclipse?

The Massena LAB Geometer carries a 58-hour power reserve against 40 hours on the Lum-Tec Eclipse.

What movement does the Massena LAB Geometer run compared to the Lum-Tec Eclipse?

The Massena LAB Geometer runs a manual caliber (SW510 BH M Elaboré), while the Lum-Tec Eclipse runs a automatic (Miyota 9039).

Side by side

Massena LAB GeometervsLum-Tec Eclipse

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

Massena LAB Geometer

MSRP $3,495

Lum-Tec Eclipse

eclipse-e6

MSRP $695

At a glance

17 of 29 specs differ

Diameter

Geometer39mm

Eclipse42mm

Power Reserve

Geometer58h

Eclipse40h

Water Resistance

Geometer50m

Eclipse101m

MSRP

Geometer$3,495

Eclipse$695

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal

Acrylic

Sapphire

Crystal Shape

Domed

Flat

AR Coating

Inner

Dial Color

Brown

Lume

Cream

None

Movement

4 specs

Caliber

SW510 BH M Elaboré

Miyota 9039

Type

Manual

Automatic

Power Reserve

58h

40h

Jewels

Pricing

1 specs

MSRP

$3,495

$695

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At a glance

Full specifications

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