Aera Instruments D-1 DivervsChristopher Ward C60 Trident Reef

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Aera Instruments D-1 Diver at true scale

D-1 Diver

Christopher Ward C60 Trident Reef at true scale

C60 Trident Reef

Diameter

44mm

41mm

Lug-to-Lug

49.5mm

47.9mm

lowest

Thickness

15.9mm

11.4mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

41h

highest

38h

MSRP

$3,200

$995

lowest

Movement

Sellita SW200-1

Sellita SW200-1

Case

5 specs
Diameter
44mm
41mm
Thickness
15.9mm
11.45mm
Lug-to-Lug
49.55mm
47.9mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
n/a
Blue
Lume
None
SLN X1 BL C1

Movement

3 specs
Beat Rate
0 vph
4 vph
Power Reserve
41h
38h
Jewels
0
26

Pricing

1 specs
MSRP
$3,200
$995
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Reviews

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

Aera Instruments D-1 Diver

Owners and reviewers praise the Aera Instruments D-1 Diver for its legible, minimalist design, warm 904L steel case that wears smaller than its 44mm size suggests, and impressive lume application. The stamped dial is noted as unique and creating an optical illusion, while the 120-click bezel feels solid. However, some find the 44mm case size too large and the Sellita SW200-1 movement's accuracy range of ±7 to ±20 seconds per day, along with its 38-hour power reserve, underwhelming for the price. The "ghost" date position on the crown is also cited as a minor oversight. On balance, owners and reviewers appreciate the Aera Instruments D-1 Diver for its comfortable wearability and tool watch functionality at its price point, despite some reservations about the case size and movement.

Christopher Ward C60 Trident Reef

The Christopher Ward C60 Trident Reef is widely praised for its vibrant, multi-layered dials and fun, affordable design, with owners appreciating its value and unique aesthetic. Reviewers note the 41mm case size is well-proportioned and wears comfortably due to curved lugs, and the FKM rubber strap is considered comfortable. Some owners desire a fully lumed bezel, and a minority dislike the Bader bracelet. On balance, owners and reviewers rate the Christopher Ward C60 Trident Reef highly for its distinctive design and strong value proposition.

From video reviewers

The dial's vibrant color and unique texture are strong points. The bezel's grip and functionality are a shared weakness. Reviewers disagreed on the watch's value proposition relative to Seiko divers.

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