Side by side
Formex Essence ThirtyNinevsStraum Jan Mayen
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Essence ThirtyNine39mm
Jan Mayen38.7mm
Power Reserve
Essence ThirtyNine41h
Jan Mayen68h
Water Resistance
Essence ThirtyNine100m
Jan Mayen100m
MSRP
Essence ThirtyNine$2,390
Jan Mayen$2,200
Full specifications
Case
5 specsCategory
Dress
—
Diameter
39mm
38.7mm
Thickness
10mm
11.5mm
Lug-to-Lug
45mm
0mm
Lug Width
20mm
24.8mm
Crystal & Dial
2 specsDial Color
Space Ghost
—
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Sellita SW200-1
La Joux-Perret G101
Power Reserve
41h
68h
Pricing
1 specsMSRP
$2,390
$2,200
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