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O Seamaster DIVER 300M CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH

$1,179.00 $349.00

🔹 OverviewThe O Seamaster Diver 300M Chronograph 44 mm Ref. 210.30.44.51.03.001 is a bold evolution of Omega’s diving legend. Crafted from stainless steel with a polished blue ceramic bezel featuring a white enamel diving scale, it offers exceptional durability and marine-inspired aesthetics. The matching blue ceramic dial is laser-engraved with the iconic...

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Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

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🔹 Overview
The O Seamaster Diver 300M Chronograph 44 mm Ref. 210.30.44.51.03.001 is a bold evolution of Omega’s diving legend. Crafted from stainless steel with a polished blue ceramic bezel featuring a white enamel diving scale, it offers exceptional durability and marine-inspired aesthetics. The matching blue ceramic dial is laser-engraved with the iconic wave pattern, with rhodium-plated hands and raised indexes coated in white Super-LumiNova for high legibility. A date window at 6 o’clock and two chronograph subdials provide functionality without compromising symmetry.

💎 Key Specifications
Reference: 210.30.44.51.03.001
Case: 44 mm stainless steel
Bezel: Polished blue ceramic with white enamel diving scale, unidirectional
Dial: Blue ceramic with wave motif; rhodium-plated hands and raised indexes with Super-LumiNova
Movement: Co-Axial Master Chronometer Calibre 9900, self-winding
Functions: Central hours, minutes, chronograph (12-hour & 60-minute counter), small seconds at 9 o’clock, date at 6 o’clock
Power Reserve: ~60 hours
Bracelet & Clasp: Stainless steel bracelet with foldover diver’s extension and micro-adjustment
Water Resistance: 300 m / 1000 ft, helium escape valve

⏱️ Movement
Type: Perpetual, mechanical, self-winding
Caliber: O Calibre 9900, METAS-certified Master Chronometer
Features: Column wheel and vertical clutch for smooth chronograph operation; anti-magnetic up to 15,000 gauss; chronometer precision
Power Reserve: ~60 hours
Finishing: Geneva waves in arabesque visible through sapphire caseback

✅ Conclusion
The O Seamaster Diver 300M Chronograph Ref. 210.30.44.51.03.001 is the perfect fusion of professional diving capability and modern luxury. Its durable stainless steel construction, advanced Co-Axial Master Chronometer movement, and bold blue-on-steel design deliver both technical performance and aesthetic appeal. Built for deep-sea adventures or daily wear, this chronograph is a versatile, reliable, and sophisticated companion for those who demand excellence under any condition.

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