Side by side

Decima GatekeepervsMassena LAB Geometer

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

Add a watch
Gatekeeper
DecimaGatekeeper
MSRP $599
Geometer
Massena LABGeometer
MSRP $3,495
Buy from Decima ↗
Buy used on eBay ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
Gatekeeper38mm
Geometer39mm
Power Reserve
Gatekeeper42h
Geometer58h
Water Resistance
Gatekeeper50m
Geometer50m
MSRP
Gatekeeper$599
Geometer$3,495

Full specifications

Case

4 specs
Category
—
Chronograph
Diameter
38mm
39mm
Thickness
9.9mm
9mm
Lug Width
—
20mm

Crystal & Dial

5 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Yes
No
Dial Color
White
Brown
Lume
None
Cream

Movement

4 specs
Caliber
Miyota 9039
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
42h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$599
$3,495
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.

Mark Time Watches M 6
Mark Time Watchesmicro

M 6

6 variantsRef. m-6
39mm·Automatic·100m WR
$495MSRP
—Used
Furlan Marri Flyback
Furlan Marrimicro

Flyback

3 variantsFlyback
38mm·Manual
$3,107MSRP
—Used
Naga Watches Opera
Naga Watchesmicro

Opera

3 variantsRef. naga-opera-39-lapislazuli
39mm·Automatic·100m WR
$917MSRP
—Used
Straton Straton Syncro MKII Mechanical Chrono
Stratonmicro
SyncroStraton

Straton Syncro MKII Mechanical Chrono

9 watches · 89 variantsStraton
40mm·Manual·100m WR
$599MSRP
—Used
Dumoreau DM01
Dumoreaumicro

DM01

4 variantsRef. dm01-turquoise
38.6mm·Automatic·100m WR
—MSRP
—Used
Lorier Olympia SII
Loriermicro

Olympia SII

2 variantsOlympia
39mm·Manual
$999MSRP
—Used
Naga Watches Spire
Naga Watchesmicro

Spire

6 variantsRef. naga-n-0109sw-silver-whitepre-order
39mm·Automatic·100m WR
$853MSRP
—Used
Baltic Scalegraph Classic
Balticmicro

Scalegraph Classic

2 variantsScalegraph Classic
39.5mm·Manual
$1,712MSRP
—Used
All alternatives to the Gatekeeper →All alternatives to the Geometer →
Explore the full catalog

Follow this matchup

Get a note when Decima Gatekeeper vs Massena LAB Geometer gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Massena LAB GeometervsMark Time Watches M 6Massena LAB GeometervsNaga Watches OperaDumoreau DM01vsMassena LAB GeometerMassena LAB GeometervsNaga Watches SpireDecima GatekeepervsFurlan Marri FlybackDecima GatekeepervsStraton Syncro MKII Mechanical Chrono
Edit this comparisonAdd another watchExplore more 37–40mm watches