Side by side

Citizen Promaster SikorskyvsSeiko Astron

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

Promaster Sikorsky
CitizenPromaster Sikorsky
MSRP $469
Astron
SeikoAstron
MSRP $2,500

At a glance

15 of 29 specs differ
Diameter
Promaster Sikorsky42.4mm
Astron42mm
Power Reserve
Promaster Sikorsky40h
Astron40h
Water Resistance
Promaster Sikorsky200m
Astron100m
MSRP
Promaster Sikorsky$469
Astron$2,500

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
42.4mm
42mm
Thickness
12mm
12.4mm
Lug-to-Lug
46mm
49.5mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
Inner
Super-clear coating
Dial Color
Grey
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
B877
5X83
Type
Solar
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$469
$2,500

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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

The Citizen Promaster Sikorsky is a large 46mm watch honoring the S-92 helicopter, featuring a busy dial with red, white, blue, and yellow accents, and helicopter blade-shaped hands. It houses a solar-powered U680 movement with atomic time syncing. On balance, owners find the Citizen Promaster Sikorsky to be a unique, albeit cluttered, limited edition timepiece.

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.

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