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Jan Mayen Basalt Magma Red

Jan Mayen Basalt Magma Red

Technical specifications
Reference WTCH-JM-BASALT-RED-39

Watch

Certification Swiss Made
Diameter 38.7mm.
Case width 40.7mm (direction 9 to 3 including crown).
Thickness 11.5mm (9.7mm excluding the crystal).
Lug tip to lug tip 45.7mm (seen from side).
Drilled lug hole center-to-center 42.5mm (seen from side).
Lug width 24.8mm (seen from top)
ATM Rating 10 ATM.
Case 316L stainless steel.
Crown Screw-down, with manual winding.
Bezel 316L stainless steel, sunburst brushed with polished chamfer.
Caseback 316L stainless steel, threaded screw-down with etched graphics and sapphire crystal window.
Crystal Double-domed scratch-resistant sapphire crystal with internal anti-reflective coating.
Dial Basalt sandwich design. Basalt wafer is cut, stabilized, and polished. Then laminated, coated, and printed. Bonded to a red, sunburst-textured base and a chapter ring decorated with Swiss Super-LumiNova Grade A.
Hands Diamond-cut and filled with Swiss Super-LumiNova Grade A.


Bracelet

Design Custom designed and manufactured stainless steel with a tapered shape across the first five links.
Manufacturing All links are CNC machined to very high tolerances and machined finished to ensure highly precise separation of surface finishings. Inside edges are chamfered and polished to ensure a very comfortable wearing experience with no pinching.
Construction Pin and collar. Sizing tools included.
Clasp Machined butterfly deployant clasp with push buttons.
Dimensions Bracelet tapers from 24.8mm lug width to 18mm at the buckle.
Adjustments Two 130% links included to allow for a precise and tailored fit.


Movement

Manufacturer Manufacture La Joux-Perret S.A.
Model LJP G101 (no date position).
Functions Time only.
Grade Soigné, adjusted to four positions (CH, 3H, 6H, 9H).
Decoration NAC coated. Engraved rotor.
Jewels 24 jewels.
Power reserve 68 hours.
Middle rate 7 ±7 s/d.
Max. divergence all positions 20 s/d.
Isochronism ±15 s/d.


Sizing and fit

Minimum wrist circumference Approximately 13cm
Maximum wrist circumference Approximately 20cm

Voyage to Beerenberg:
Scaling the Volcanic Peak of Jan Mayen

Straum assembled an expedition unit and set off in search of the summit of Beerenberg. This is the story of how it went.
Experience the adventure