Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer 38mm

Reference: 220.10.38.20.01.001 (2017) | Black dial on a stainless steel bracelet

4
1 ratings 1 reviews
Case diam.
38 mm
Lug to lug
45 mm
Height
12.2 mm
Est. min. wrist size
6.2 in / 15.7 cm
My rating:

Specifications

Base

Brand
Collection
Watch style
Year launched
2017

Build

Case shape
Round
Case diameter
38 mm
Case height
12.2 mm
Lug to lug
45 mm
Lug width
19 mm
Water resistance
150 m
Case materials
Stainless steel
Bracelet materials
Stainless steel

Visuals

Dial color
Case color
Silver
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

Chronoshots

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Wrist size and fit

Based on estimates this watch fits best on wrists sized between 6.2in - 7.2in (15.7cm - 18.3cm) .

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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media-libraryYGDoNA
Chad wrist 6.50"/16.51cm
★★★★★
★★★★★
May 11, 2025

My first luxury watch purchase... although I'm writing about the 41mm with the 8900 movement. I bought my Aquaterra before the 38mm variations were released. On my 6.5 inch wrist the 41mm Aquaterra fits well (41mm is the biggest I will go). Now, I do prefer the size of the 38mm for my wrist size, but, the jump hour feature in the 8900 movement (8800 in 38mm variations) is very handy when adjusting date/time. The green teakwood dial inspired by yacht decks dance around in the light throwing multiple shades of green to almost black at times. I enjoy the watch on its OEM bracelet or the Artem sailcloth strap in green.

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