Aera Instruments D-1vsTissot Seastar 1000

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

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 at true scale

D-1

Tissot Seastar 1000 at true scale

Seastar 1000

Diameter

44mm

40mm

Lug-to-Lug

49.5mm

n/a

Thickness

15.9mm

12.5mm

lowest

Water Resistance

300m

300m

Power Reserve

41h

80h

highest

MSRP

$2,675

$875

lowest

Movement

Sellita SW200-1

Tissot Powermatic 80

Case

4 specs
Diameter
44mm
40mm
Thickness
15.9mm
12.48mm
Lug-to-Lug
49.55mm
n/a
Lug Width
22mm
20mm

Crystal & Dial

4 specs
AR Coating
n/a
Yes
Dial Color
n/a
Graded grey-black
Indices
n/a
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Sellita SW200-1
Tissot Powermatic 80
Power Reserve
41h
80h

Pricing

1 specs
MSRP
$2,675
$875
Keep your wishlist and collection together in the appExplore the app

Reviews

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

Aera Instruments D-1

Owners widely praise the Aera Instruments D-1 for its clarity, materiality, and comfort, highlighting the 904L steel case and proprietary FKM rubber strap for ergonomic wearability. Reviewers note its legibility, featuring a simple, graphic, and modern design with large, lume-filled indices and a matte ceramic bezel. Some owners find the 44mm size too large and the design uninspired, with a few deeming it overpriced for a microbrand. Overall, owners and reviewers rate the Aera Instruments D-1 highly for its excellent legibility and comfortable wearability, despite some reservations about its size and design originality.

Tissot Seastar 1000

Owners widely praise the Tissot Seastar 1000 for its value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.

From video reviewers

The 80-hour power reserve from the Powermatic 80 movement is a significant strength. Reviewers did not reach a consensus on any weaknesses.