Side by side

Omega Constellation Observatory Co Axial Master Chronometer 39 4mmvsSeiko Presage Classic Series “Craftsmanship” Arita Porcelain Dial

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Constellation Observatory Co Axial Master Chronometer 39 4mm

Owners widely praise the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its discreet and light presence, suitable for both formal and casual wear. Reviewers highlight its thin case band, achieved with dual sapphire crystals, and a 47.2mm lug-to-lug measurement, reinterpreting vintage design with a pie-pan dial, kite-shaped hands, and indexes. Some owners find the steel bracelet's edges sharp, and one owner notes Omega does not offer alternative straps for the notched design, though aftermarket options may fit. One owner reports the 39mm case appears large on a smaller wrist, while another finds it discreet. Overall, owners rate the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm highly for its elegant design and wearable dimensions.

Seiko Presage Classic Series “Craftsmanship” Arita Porcelain Dial

Owners and reviewers widely praise the Seiko Presage Classic Series “Craftsmanship” Arita Porcelain Dial for its unique, smooth, and lustrous porcelain dial, a testament to meticulous Japanese craftsmanship, with some noting its depth and subtle color variations. The red "XII" and recessed sub-dials on certain variants are highlighted as distinctive design elements. However, multiple sources flag the case thickness, ranging from 12.4mm to 14.1mm, as substantial for a dress watch, and one reviewer criticizes painted hands instead of heat-blued ones. Accuracy figures are not consistently reported across sources, with one owner noting figures around +1/+2 seconds per day while another mentions approximately -6 seconds per day. On balance, owners and reviewers rate the Seiko Presage Classic Series “Craftsmanship” Arita Porcelain Dial highly for its exceptional dial artistry and craftsmanship at its price point.

At a glance

16 of 29 specs differ
Diameter
Constellation Observatory Co Axial Master Chronometer 39 4mm39.4mm
Presage Classic Series “Craftsmanship” Arita Porcelain Dial40.6mm
Power Reserve
Constellation Observatory Co Axial Master Chronometer 39 4mm60h
Presage Classic Series “Craftsmanship” Arita Porcelain Dial72h
Water Resistance
Constellation Observatory Co Axial Master Chronometer 39 4mm30m
Presage Classic Series “Craftsmanship” Arita Porcelain Dial100m
MSRP
Constellation Observatory Co Axial Master Chronometer 39 4mm$10,900
Presage Classic Series “Craftsmanship” Arita Porcelain Dial$1,900

Full specifications

Case

7 specs
Diameter
39.4mm
40.6mm
Thickness
12.23mm
12.5mm
Lug-to-Lug
47.2mm
49.1mm
Lug Width
19mm
20mm
Material
O-Megasteel
Stainless Steel
Finish
O-MEGASTEEL
Water Resistance
30m
100m

Crystal & Dial

3 specs
Crystal Shape
Domed
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Silver

Movement

5 specs
Caliber
Omega 8914
Seiko 6R5H
Power Reserve
60h
72h
Jewels
0
24
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$10,900
$1,900
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.