SKU: 2915516852

Omega Seamaster Automatic Day Date - 166.0210

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Description

Omega Seamaster Automatic Day Date - 166.0210Omega Seamaster Automatic Day Date 166. 021 The Omega Seamaster Automatic Day Date ref. 166. 021 is a classic 1970s dress sport watch, distinguished here by its striking black dial that adds depth and contrast to its vintage design. Housed in a stainless steel case, it features a softly rounded, cushion shaped profile with integrated lugs, giving it a distinctly retro yet versatile presence on the wrist. It is powered by Omegas reliable automatic

Omega Seamaster Automatic Day Date - 166.021

The Omega Seamaster Automatic Day-Date ref. 166.021 is a classic 1970s dress-sport watch, distinguished here by its striking black dial that adds depth and contrast to its vintage design. Housed in a stainless steel case, it features a softly rounded, cushion-shaped profile with integrated lugs, giving it a distinctly retro yet versatile presence on the wrist. It is powered by Omega’s reliable automatic Calibre 1020 movement and includes a practical day-date complication. The approximately 35–36mm case is fitted with an acrylic crystal, enhancing its warm, period-correct character, and is paired with a matching stainless steel bracelet—typically a flat-link or folded-link design—that sits seamlessly with the case for a cohesive, streamlined look. Altogether, the 166.021 offers a refined balance of everyday functionality, vintage charm, and unmistakable 1970s Omega styling.

 

Specifications

 

Year: 1976
Contents: Watch only
Reference: 166.0210
Case size: 35mm
With crown: 38mm
Movement: Cal 1022 
Crystal: Acrylic
Wrist circumference: 19.5cm 

 

Condition

 

Dial

 The dial is in a pristine condition, the beautiful glossy black lacquer looks perfect with combined with the chrome Omega logo

Bezel 

The bezel is in a perfect condition

Case

The case still features its sharp curved edges that these watches are loved for. Sharp case, almost no scratches  

Case back 

The caseback is in a perfect condition

Movement

The movement runs at +6 seconds per day

Crystal

The crystal is in a a perfect condition 

Bracelet 

The bracelet is in a very good condition, only a couple micro scuffs

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SKU: 2915516852

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Reviewed in the United States on December 20, 2025
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I applaud the authors for putting forth a comprehensive introduction in a rapidly evolving space. I absorbed a lot, helpful as I was developing a prototype — using open source methods. And that’s where I was disappointed. The LLM and examples are highly adapted to OpenAI’s GPT-x and the bulky LangChain framework, something not obvious until you dig in to the book. Sure, this may be where newbie demand was when the authors began writing. But as the open source models and OpenAI alternatives gain speed (e.g. Llama 3.1, Groq, etc.) this book may quickly need an updated and expanded version to stay relevant.
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