WATCHDAVID.SHOP - Official OLLECH & WAJS Retailer
OLLECH & WAJS OW P-104
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Delivery time: Approx. 4-7 business days
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14-day return policy
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X-year warranty
All about the OLLECH & WAJS OW P-104
The OLLECH & WAJS OW P-104 comes from a time when aviators, engineers and navigators relied on their watches to perform complex calculations on the ground and in the air. Not based on a single OW reference, it is inspired by a range of aviator slide rule watches produced by Ollech & Wajs in the 1960s and 70s. Designed with today's military and professional pilots in mind, the P-104 S features a circular slide rule that can be used to determine differential speed, distance, range and other data.
The dial of the P-104 is configured and designed to evoke cockpit control panels. Its oversized indices and chequered hands are coated with orange Super-LumiNova® to ensure maximum legibility.
Its robust ETA 2824-2 OW3 mechanical movement, adjusted in five positions, makes the P-104 a reliable navigation instrument for high-flying pilots. The movement's main plate is engraved with "Ollech & Wajs Zurich 1956" and fitted with our own milled rotor bearing the famous OW propeller monogram.
In keeping with Ollech & Wajs’ longstanding reputation for extreme water resistance, the P-104 has a depth rating of 300 m / 30 ATM — impressive for a dive watch, let alone a pilot’s watch. The watch is assembled and adjusted in Haute-Sorne in the Swiss Jura, in the historical workshop that has served OW for over 60 years.
The P-104 S is supplied with the OW S-type Mark II rice-grain steel bracelet. This bracelet is inspired by earlier Ollech & Wajs models from the 1960s. The links are individually milled from a solid block of 316L stainless steel before being carefully hand-brushed and screwed together. This process prevents the common stretching found in pressed steel bracelets and ensures both durability and wearing comfort. The bracelet's double-locking deployant clasp prevents accidental opening.
The P-104 is supplied with a high-quality, extremely durable and water-resistant RAF Regiment-style NATO strap. Alternatively, there is a 20 mm wide Italian black leather strap with natural linen, lined with a soft, light brown underside and embossed with the OW emblem. Both strap and bracelet are handmade in Switzerland and feature a brushed stainless steel pin buckle, signed "OWZ 1956".
Specifications
Dimensions: 39 mm × 12.5 mm
Case: Brushed 316L stainless steel, screw-down case back, screw-in crown, rotating slide rule bezel, manufactured in Jura, Switzerland.
Crystal: Sapphire crystal with anti-reflective coating
Dial: Hands and indices in Super-LumiNova®
Water Resistance: 300 m / 30 ATM
Movement: Automatic ETA 2824-2 OW3P, 25 jewels, 28,800 vibrations per hour, power reserve of +/-38 hours, engraved main plate "Ollech & Wajs Zurich 1956" and OW-manufactured rotor
S-Bracelet: 20 mm 316L stainless steel beads-of-rice OW S-Type Mark II, with double-locking deployant clasp
RAF Regiment Strap: 20 mm, high-quality, durable nylon strap in RAF Regiment style, manufactured in the UK, handcrafted in Switzerland; with a brushed stainless steel pin buckle, signed "OWZ 1956"
Black Leather Strap: 20 mm wide Italian black leather and natural linen strap, with soft light brown lining and embossed OW logo, handcrafted in Switzerland; with a brushed stainless steel pin buckle, signed "OWZ 1956"
Origin: Swiss made
Specification of the OLLECH & WAJS OW P-104
Brand
OLLECH & WAJS
Category
Diving watch
Diameter
39.5mm
Strap
Rubber/Nylon
Dial color
Black
Dial
Indices
Waterproof
300m
Glass
sapphire crystal
Case
stainless steel
Movement
ETA 2824-2 OW3
Type
men's watch
Condition
New & OVP
Key questions at a glance
FAQs
About David from WATCHDAVID
My name is David, and I've been deeply involved with watches for many years – not just as a dealer, but primarily as a tester, photographer, and classifier.
Since 2018, I’ve been running WATCHDAVID as an independent watch project featuring reviews, videos, and real-world wearing experiences. Many of the watches you'll find here have been on my own wrist – often for extended periods.
WATCHDAVID.SHOP is intentionally personal. I only sell watches that I genuinely stand behind – no anonymous mass-produced goods, no dropshipping, no "quick trends." Experience, transparency, and honest assessment are paramount to me.
And yes: I am not an anonymous seller. I enjoy good food, sneakers, and photography – and I have a proven weakness for Kinder Chocolate.
If you have any questions or are unsure, feel free to contact me directly. I will respond personally.
Shipping & Insurance
Within Germany and the EU, shipping is free of charge. Shipping is handled by DHL and insured up to €500, €2,500 or €25,000, depending on the watch's value. The watches are therefore always sufficiently insured.
You can find the delivery time in the description and/or below the shopping cart button. Some watches are only produced after an order is placed, while others are brand new and, for example, will only be available in a few weeks (so-called PRE-SALE), etc...
Revocation & Return Shipping
You can revoke your purchase within 14 days of receiving the goods.
I will cover the return shipping costs for you.
IMPORTANT: Do not send the watch back yourself; I will send you the free return label.
To do this, please simply contact me. david@watchdavid.com
It is also important that the watch is unworn and free of any signs of wear. After a successful inspection, I will refund the purchase price to you. The refund will be made using the same payment method you used for the purchase.
Authenticity & Condition of the Watches
I guarantee that all watches I offer are exclusively new, original goods. The watches come directly from the manufacturer and have had no previous owners, unless I explicitly state otherwise (e.g., so-called PHOTO WATCHES).
As an official dealer, I exclusively offer authentic products. These are offered in their original packaging, with a warranty card, etc., just as they are delivered by the dealer. Everything in a so-called Full Set. Some deliver more, some less...
Warranty & Service
All watches purchased from me come with the international manufacturer's warranty, which is usually two years. Some brands even offer a warranty of up to 5 years.
Should a warranty claim arise, I will take care of shipping the watch to the manufacturer or the responsible service center for you and will also organize its return to you. In addition, I will handle all communication with the manufacturer, so you don't have to worry about anything.
Even after the warranty period has expired, I will remain your contact person and support you with service questions or repairs.
Mechanics - Sometimes things can go wrong
Before I ship your order, I carefully inspect each watch for visible defects.
However, should a problem arise, such as a defect during transit, please inform me immediately. I will do everything in my power to find a quick solution and ensure your satisfaction.
My goal is to offer you not only high-quality products but also a first-class shopping experience. I look forward to welcoming you as a satisfied customer!