Jan Mayen Tundra Brown

Name: Jan Mayen Tundra Brown
Brand: Straum
SKU: WTCH-JANMAYEN-TUNDRABROWN-39
Price: 23750.0 NOK
Availability: InStock

Jan Mayen Tundra Brown captures the exposed rock faces of Svalbard, where iron-rich sandstone and shale darken as they meet air and time. The vertical texture mirrors the marks left by erosion, with light catching on every ridge—shifting, fading, and returning, just like the landscape itself.

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Key technical specifications

39mm diameter. 10ATM. Sapphire crystal. 316L Steel.

Capturing nature

The Tundra Brown Dial

Expedition-tested

Integrated bracelet

The bracelet is specially designed to endure the harsh conditions of the Arctic with its custom-engineered structure. It is made from Stainless Steel 316L and features a seamless integrated design that tapers from 24.8mm to 18mm at the buckle, ensuring a comfortable and snug fit on your wrist. The push-button butterfly clasp is custom-designed and seamlessly integrated, providing a sleek and secure closure for the bracelet. The two 130% links also allow for a precise and tailored fit to your wrist. Whether you're out in the wilderness or in the city, this bracelet is built to last and will withstand even the harshest environments.

Expedition-tested

Case

The watch case combines durability, functionality, and aesthetics. It is crafted from 316L stainless steel, which provides resistance to corrosion and wear, ensuring long-lasting performance and reliability. With a diameter of 39mm, it offers a comfortable and practical size for everyday wear. The sunburst bezel frames the double-domed sapphire crystal, which provides exceptional scratch resistance and ensures crystal-clear visibility of the dials. The grippy screw-down crown ensures that the 10ATM water resistance is maintained.

The movement

LJP G101

The Jan Mayen collection utilizes the LJP G101 by La Joux-Perret, renowned for its high level of precision and quality, as well as its 68-hour power reserve. The time-only display provides an uninterrupted view of the watch face. The movement is graded Soigné and adjusted to four positions, ensuring accurate timekeeping. The movement and engraved rotor are visible through a sapphire window screw-down caseback.

The packaging

The Capsule

Every Jan Mayen comes bundled with a Straum Capsule, designed to keep your watch protected against the elements and is machined from a single block of aluminium and surface treated with a HA1 Hard Anodization process to increase durability.⁠

Technical specifications

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	Custom designed patterns embodying the landscape of Jan Mayen. Stamped in multiple stages with increasing detailing and fidelity. Treated and painted in several stages, including fumé. Indices filled 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).
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

Dimensions

Reviews

"As a long-time fan of both Fratello and the microbrand scene at large, I really dig this latest LE with Straum, a brand that hit my own radar with their previous Opphav line."

April 12, 2023

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“It's all about that dial. It's very unique.”

June 22, 2025

"It's amazing. I love it. It's like Grand Seiko, but evil."

November 21, 2023

"The blue [dial] that transitions from a bright azure blue to deeper, darker hues at the edges is simply mesmerizing. The casework is solid, with sharp transitions and attention to detail, like radial brushing on the bezel."

June 11, 2023

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