SWISS MADE
Octa Moon Swiss Men's Watch J4.584.L
Octa Moon Swiss Men's Watch J4.584.L
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Product Information
Movement | Ronda Swiss quartz movement with hours, minutes and seconds display |
Moon Phases | Yes |
Date window | Yes |
Dial | Shiny, sunray |
Time indicator | Applied baton hour indices and printed minutes |
Calendar window | Rectangular shape with rounded corners |
Hands | Obelisk shape |
Watch case | Stainless steel |
Case surface | Gloss polished |
Back case | Stainless Steel back cover, easy battery replacement |
Case diameter | 40 mm |
Case height | 9 mm |
Water resistance | 10 ATM (shower-proof) |
Watch glass | Ultra-durable mineral crystal with sapphire coating and polished edge |
Bezel | Metallized, integrated in the glass |
Band material | Stainless steel bracelet |
Band width | 20 mm |
Buckle | Stainless steel with laser-engraved logo |
Adjustment range | Wrist circumference of 165-220 mm |
Gender | Male |
Swiss made | Hand-assembled in Switzerland |
Color | Steel / Black |
Reference | J4.584.L |
FAQ
Instruction
Sizing of a Stainless Steel Bracelet
Follow a few simple steps to adjust the lengths of your stainless steel wrist watch bracelet. This particular band can be sized in two sequential ways; a rough- (A) and a fine adjustment (B).


Enduring Legacy since 1951
Jowissa's enduring legacy in men's watchmaking is evident in every piece, showcasing a commitment to Swiss precision and a unique design philosophy honed since 1951.

Strong Brand Foundation
Jowissa is an independent 3rd generation family run business. Our watches are designed and built by a dedicated team of long term employees, whose expertise is ensuring trustworthiness and exceptional after-sales service.

(Hand) Made In Switzerland
Each Jowissa watch is assembled by hand in Switzerland. We strive for excellence in production and quality control since 1951. Choosing to shop with Jowissa provides you with the distinct advantage of owning a meticulously crafted timepiece that carries the legacy of Swiss craftsmanship, ensuring exceptional quality and attention to detail.