Introductory Summary
The Omega Seamaster Diver 300M reference 210.20.44.51.03.001 was produced from approximately 2019 to Present as part of the Seamaster Diver 300M line. It is defined by its 44mm Stainless steel and 18k yellow gold construction, blue ceramic bezel with yellow gold, and its integrated chronograph built for diving use. Within the range, it sits as a flagship reference, positioned between the 212.20.44.50.03.001 and —.
Core Specifications
- Brand: Omega
- Collection: Seamaster Diver 300M
- Reference: 210.20.44.51.03.001
- Nickname: Diver 300M Chronograph (Two-Tone Blue)
- Production Start: 2019
- Status: Active Production
- Case Size: 44mm
- Case Material: Stainless steel and 18k yellow gold
- Bezel: Blue ceramic bezel with yellow gold
- Dial: Blue
- Crystal: Sapphire
- Bracelet/Strap: Steel and yellow gold bracelet
- Movement: Omega Calibre 9900 (automatic)
- Power Reserve: Approximately 60 hours
- Water Resistance: 300m / 1000ft
Reference Profile
The reference 210.20.44.51.03.001 follows Omega’s internal naming convention, where the designation reflects the model family and generation. The design intent focused on modern professional daily wear, incorporating material and movement updates while retaining the line’s core visual codes. It has since been adopted by collectors primarily for its wearability, design continuity, and market recognition.
Movement Overview
This reference is powered by the Omega Calibre 9900 (automatic), a automatic movement from Omega's modern production era. The calibre operates at 28,800 vph and provides an approximate power reserve of Approximately 60 hours. It is regarded as robust and technically mature, with servicing considerations typical of current-generation movements from this period.
Functions & Complications
The watch displays chronograph with date, with functions arranged via crown operation and bezel/chronograph controls where applicable. Complications include chronograph, date, helium escape valve, implemented in a utilitarian manner. The overall functionality reflects the reference’s intended use as a tool watch and daily wearer.
Buyer Considerations
Prospective owners should account for condition, service history, and originality of components, particularly with respect to the dial, bezel, and bracelet/strap. Replacement parts availability is generally readily available, depending on configuration and service route. This reference is best suited to buyers seeking daily wear practicality rather than short-term speculation.
Comparisons & Aternatives
Watches with a similar visual profile include the Omega 212.20.44.50.03.001, which shares a comparable design language but differs in generation and movement architecture. The Omega — offers a near-direct successor aesthetic where applicable, distinguished by updated proportions and newer calibres. Compared to these alternatives, the present reference is typically regarded as more modern and technically refined, depending on configuration and condition.
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