Side by side

Glycine Combat 6 ClassicvsSeiko Astron

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

What people say

Owners + reviewers, side by side

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

Glycine Combat 6 Classic

Owners widely praise the Glycine Combat 6 Classic for its refined engineering, comfortable 36mm wearability, and exceptionally legible dial with well-executed lume on markers. One owner notes the salmon dial model features a decorated Glycine Cal. 224 movement, an ETA 2824-2. A reviewer points out that while dial markers have good lume, the hands have minimal lume, and the serial number etched between the lugs is visible.

Seiko Astron

The Seiko Astron is widely praised for its advanced time-telling technology, including GPS and radio wave synchronization, and its self-sufficient solar-powered quartz movement. Owners appreciate the detailed and high-contrast dials, comfortable and lightweight titanium builds, and well-finished cases and bracelets. Some users report excellent accuracy, with one noting +/- 15 seconds per month, while another finds the autonomous movement's accuracy of 1/2 second per day acceptable due to easy correction via GPS sync. However, the Seiko Astron's price point is frequently cited as a drawback, with some finding it high for a quartz watch, particularly when compared to luxury or mechanical alternatives. Specific criticisms include manual DST implementation, the need for outdoor sync, sparse lume, and a minute hand that sits slightly off on one model, with accuracy of +13 sec/month being disappointing for its cost on another.

At a glance

21 of 29 specs differ
Diameter
Combat 6 Classic43mm
Astron42mm
Power Reserve
Combat 6 Classic38h
Astron
Water Resistance
Combat 6 Classic50m
Astron100m
MSRP
Combat 6 Classic$1,450
Astron$2,400

Full specifications

Case

9 specs
Category
Dress
Diameter
43mm
42mm
Thickness
11mm
12mm
Lug-to-Lug
47.9mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Finish
Water Resistance
50m
100m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Super-clear coating
Dial Color
Silver
Indices
Lume
Luminous
LumiBrite on hands and index(es)

Movement

6 specs
Caliber
Sellita SW200-1
3X62
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
25
10
Complications
Date
None

Pricing

1 specs
MSRP
$1,450
$2,400
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