Omega Seamaster Diver 300m Date 42mm

Reference: 210.30.42.20.06.001 (2018) | Gray dial on a stainless steel bracelet

4.5
2 ratings 1 reviews
Case diam.
42 mm
Lug to lug
49.9 mm
Height
13.6 mm
Est. min. wrist size
6.9 in / 17.4 cm
My rating:

Specifications

Base

Brand
Collection
Watch style
Year launched
2018

Build

Case shape
Round
Case diameter
42 mm
Case height
13.6 mm
Lug to lug
49.9 mm
Lug width
20 mm
Water resistance
300 m
Case materials
Stainless steel, Ceramic
Bracelet materials
Stainless steel

Visuals

Indeces
Round, Batons
Dial color
Case color
Silver, Blue
Band color
Silver

Movement

Caliber
Type
Automatic
Power reserve
55 hours
Frequency
25 200 bph / 3.5 Hz
No. of jewels
35

Other watch features

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Wrist size and fit

Based on estimates this watch fits best on wrists sized between 6.9in - 8in (17.4cm - 20.2cm) .

5 12.7
5.5 13.9
6 15.2
6.5 16.5
7 17.7
7.5 19
8 20.3
8.5 21.5
9 22.8
IN
Too small
Good fit
Too big
CM
Estimated based on specs
Real usage data
My size finder

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Reviews

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Help others decide if this watch is for them

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T
Tanner Cortez wrist 6.76"/17.17cm
★★★★★
★★★★★
June 1, 2025

Dial Design & Aesthetics

The white dial of the Omega Seamaster Professional Diver 300M Date is truly stunning. While some have voiced concerns about the wave pattern being too prominent, in person it’s actually quite subtle—hardly noticeable unless you’re looking for it. This gives the watch a clean, refined look that stands out among dive watches. The subtle hints of red on the dial and hands add a splash of color without overwhelming the overall design, making it both eye-catching and sophisticated.

Bezel & Build Quality

The scalloped bezel is a signature feature of the Seamaster line. It looks great and, for the most part, is easy to grip. However, it can be a bit tricky if your hands are wet, though this isn’t a dealbreaker for most users. One minor drawback is that the bezel is quite prone to fingerprints, which means you might find yourself wiping it down more often than you’d like.

Fit & Comfort

With a 6.75-inch wrist, the 42mm case size fits perfectly. Despite its size on paper, the watch doesn’t wear as large as you might expect. It sits comfortably and feels balanced, making it suitable for daily wear. The helium escape valve adds a unique touch to the case profile and is a nod to the watch’s serious diving heritage. Once on the wrist, though, it’s not particularly noticeable and doesn’t interfere with comfort.

Strap & Wearability

Omega’s curved rubber strap deserves special mention. It’s extremely comfortable, conforming to the wrist without pinching or pulling. The quality is top-notch, with a secure feel and a premium look that matches the watch’s overall aesthetic.

Final Thoughts

The Omega Seamaster Professional Diver 300M Date in white is a fantastic choice for anyone seeking a versatile, high-quality dive watch. Its beautiful dial, comfortable fit, and excellent build quality make it a standout piece. While the bezel’s proneness to fingerprints and the subtle wave pattern are minor considerations, they don’t detract from what is otherwise an exceptional timepiece

Where not available in the original review, star ratings on external reviews are editorially given by Chronotick based on the sentiment of the review.