Side by side
Massena LAB GeometervsZelos Blacktip 200m GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Geometer39mm
Blacktip 200m GMT41mm
Power Reserve
Geometer58h
Blacktip 200m GMT40h
Water Resistance
Geometer50m
Blacktip 200m GMT200m
MSRP
Geometer$3,495
Blacktip 200m GMT$499
Full specifications
Case
6 specsCategory
Chronograph
GMT
Diameter
39mm
41mm
Thickness
9mm
13mm
Lug-to-Lug
46mm
41mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m
Crystal & Dial
5 specsCrystal
Acrylic
Domed Sapphire
Crystal Shape
Domed
Flat
AR Coating
No
Inner
Dial Color
Brown
MOP
Lume
Cream
None
Movement
4 specsCaliber
SW510 BH M Elaboré
Seiko NH34 GMT
Type
Manual
Automatic
Power Reserve
58h
40h
Jewels
23
25
Pricing
1 specsMSRP
$3,495
$499
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