Side by side

Citizen Promaster NavihawkvsSeiko Astron

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

Promaster Navihawk
CitizenPromaster Navihawk
MSRP $446
Astron
SeikoAstron
MSRP $2,700

At a glance

15 of 29 specs differ
Diameter
Promaster Navihawk40mm
Astron43.3mm
Power Reserve
Promaster Navihawk40h
Astron40h
Water Resistance
Promaster Navihawk200m
Astron100m
MSRP
Promaster Navihawk$446
Astron$2,700

Full specifications

Case

7 specs
Category
Pilot
Chronograph
Diameter
40mm
43.3mm
Thickness
12mm
13.4mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Underside
Super-clear coating
Dial Color
Silver
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
B620
5X83
Type
Solar
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$446
$2,700

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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 Navihawk

The Citizen Promaster Navihawk is praised for its purposeful dial layout, often compared to an aircraft cockpit, with applied faceted hour markers featuring lume and a smooth, secure rotating slide-rule or compass bezel. Owners note its good value, with one expressing interest in purchasing the 40mm model due to its appeal. The watch is powered by Eco-Drive movements, including the F900 GPS timekeeping caliber and the H804 radio-controlled quartz chronograph with world timer functions, offering a range of accessible functions with a slight learning curve. The 48mm models feature fully brushed stainless steel cases with short lugs for wearability, while the 40mm version offers a more compact stainless steel case with a navy-coated bezel and yellow accents. Overall, owners and reviewers appreciate the Citizen Promaster Navihawk for its functional, cockpit-inspired design and the value offered by its Eco-Drive technology and multiple complications.

Seiko Astron

The Seiko Astron is widely praised for its advanced timekeeping technology, including GPS and radio wave synchronization, offering grab-and-go convenience and exceptional accuracy, with some users reporting +/- 15 seconds per month or even 1/2 second per day for its autonomous quartz movement. Owners appreciate its well-finished titanium cases and bracelets, detailed dials with high-contrast markers, and lightweight, comfortable wearability. However, some find the price point of around $2,000 to $2,400 expensive, noting that GPS sync works best outdoors and that certain models lack screw-down casebacks, impacting water resistance. The lume is described as sparse on some models, and recessed buttons require tools to operate. Overall, owners and reviewers rate the Seiko Astron highly for its cutting-edge technology and comfortable, well-finished design, with the value proposition becoming more compelling when models are found at a discount.

From video reviewers

The watch's automatic time zone adjustment via GPS is a notable feature. The watch's solar-powered charging system can take up to 6 months to fully charge, which may not be ideal for users who need a quick power boost.

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