Side by side

Citizen Promaster SikorskyvsSeiko Astron

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

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What people say

Owners + reviewers, side by side

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

Citizen Promaster Sikorsky

Owners find the Citizen Promaster Sikorsky's dial "amazingly busy" and angular, a characteristic some find amusing while others deem it solid. This 46mm solar-powered watch features atomic time syncing, a slide rule bezel, and a red, white, and blue dial with yellow accents, honoring the S-92 helicopter. On balance, owners appreciate the unique design and functionality, despite the dial's complexity.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

At a glance

13 of 29 specs differ
Diameter
Promaster Sikorsky46mm
Astron42mm
Power Reserve
Promaster Sikorsky
Astron
Water Resistance
Promaster Sikorsky200m
Astron100m
MSRP
Promaster Sikorsky$1,025
Astron$2,500

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
46mm
42mm
Thickness
0mm
12.4mm
Lug-to-Lug
0mm
49.5mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Super-clear coating
Dial Color
Blue
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Citizen U680
Seiko 5X83
Jewels
0
14

Pricing

1 specs
MSRP
$1,025
$2,500
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