Seiko 5 Gmt Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Seiko 5 Gmt sales on Amazon US totaled 6,100 units in July 2026 (▼ 12.9% vs. the prior month), generating an estimated $1,063,933 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 75.4% of unit volume and 52.2% of revenue, while a typical listing is priced at $301.51. The keyword itself pulled 12,436 Amazon queries over the same period (▼ 10.5% MoM).
Zooming out to the 12-month window ending July 2026, the seiko 5 gmt Top 50 moved 77,700 units and $11,546,372 in cumulative sales — an average of 6,475 units and $962,198 per month. Monthly throughput topped out at 11,900 units in December 2025 and dipped to 3,650 in May 2026, leaving the latest reading 14.0% higher than August 2025.
Seiko 5 Gmt Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
6.1K
▼ 12.9% MoM
Monthly Revenue 2026/07
$1.1M
▼ 16.7% MoM
Top 10 Market Share 2026/07
75.4%
Seiko 5 Gmt Market Share & Sales Concentration on Amazon US — July 2026
The most-sold seiko 5 gmt listing on Amazon US in July 2026 is ASIN B0094B79CI (Brand: Casio), which sold 2,000 units at $54.95 apiece — equal to 32.8% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 4,600 units and $555,725 in July 2026 — 75.4% of unit volume and 52.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Seiko 5 Gmt' on Amazon
July 2026
Is 75.4% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0094B79CI
Casio AE1200WH Series | Men’s Digital Watch | 100M WR | Multi Alarms | 100 SEC Stopwatch | Countdown Timer | World Map for World Time | LED Light | LC Analog Display | 10 Year Battery
2K
▲ 0.0%vs. prior month
$86.5K
latest month
12-month trend
B009KYJAJY
Casio MDV106 Series | Unisex Analog Watch | 200M WR | Stainless Steel Case | Resin Band | 2 Hand Analog (HR, Min, SEC) | Date Display | Screw Down Crown/Screw Down Caseback | 3 Year Battery
1K
▲ 0.0%vs. prior month
$65.9K
latest month
12-month trend
B0B6KWJ4KJ
SEIKO SSK001 Automatic Watch for Men - 5 -Sports - Black Dial with Date Calendar and Luminous Hands & Markers and Black & Gray GMT Bezel, 100m Water-Resistant
300
▲ 50.0%vs. prior month
$119.1K
latest month
12-month trend
B099SXGTPV
CITIZEN Men's Eco-Drive Weekender Sport Casual
300
▲ 50.0%vs. prior month
$57.8K
latest month
12-month trend
B07NQLSVXF
SEIKO 5 Automatic Black Eastern Arabic Dial Men's Watch SNKP21J1
300
▼ 25.0%vs. prior month
$55K
latest month
12-month trend
B0977H56NT
SEIKO Men's SRPG35 Watch, Black Dial, 41-Hour Power Reserve, Stainless Steel Case, Nylon Strap, Water-Resistant
200
▼ 33.3%vs. prior month
$50K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Seiko 5 Gmt Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Casio is the best-performing seiko 5 gmt brand in July 2026, moving 3,000 units across 2 ASINs for 65.2% of Top 10 volume. SEIKO follows with 1,000 units (21.7%), ahead of CITIZEN on 600 units (13.0%).
With 3 brands splitting the Top 10 and 100.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $60.61 to $292.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Casio
2 ASINs in Top 10
65.2%
Units
3K
Revenue
$152.5K
Avg. price
$60.61
B0094B79CI
$54.95·★4.6·14.9K revsCasio AE1200WH Series | Men’s Digital Watch | 100M WR | Multi Alarms | 100 SEC Stopwatch | Countdown Timer | World Map for World Time | LED Light | LC Analog Display | 10 Year Battery
Units sold2KB009KYJAJY
$66.26·★4.7·32K revsCasio MDV106 Series | Unisex Analog Watch | 200M WR | Stainless Steel Case | Resin Band | 2 Hand Analog (HR, Min, SEC) | Date Display | Screw Down Crown/Screw Down Caseback | 3 Year Battery
Units sold1K
SEIKO
5 ASINs in Top 10
21.7%
Units
1K
Revenue
$284.1K
Avg. price
$292.99
B0B6KWJ4KJ
$396.00·★4.6·477 revsSEIKO SSK001 Automatic Watch for Men - 5 -Sports - Black Dial with Date Calendar and Luminous Hands & Markers and Black & Gray GMT Bezel, 100m Water-Resistant
Units sold300B07NQLSVXF
$208.95·★4.4·616 revsSEIKO 5 Automatic Black Eastern Arabic Dial Men's Watch SNKP21J1
Units sold300B0977H56NT
$252.00·★4.4·397 revsSEIKO Men's SRPG35 Watch, Black Dial, 41-Hour Power Reserve, Stainless Steel Case, Nylon Strap, Water-Resistant
Units sold200B07Z58BB9C
$378.00·★4.4·78 revsSEIKO Presage Cocktail Time Automatic Watch for Men
Units sold100B00189VBSM
$229.99·★3.9·1.8K revsSEIKO Men's Watches 5 SNKE03-4
Units sold100
CITIZEN
3 ASINs in Top 10
13.0%
Units
600
Revenue
$119.1K
Avg. price
$228.16
B099SXGTPV
$259.00·★4.6·468 revsCITIZEN Men's Eco-Drive Weekender Sport Casual
Units sold300B0B9177YKG
$187.50·★4.6·819 revsCITIZEN Citizen Men's Eco-Drive Weekender Avion Field Watch
Units sold200B00PXVU3GM
$237.99·★4.6·8.8K revsCITIZEN Promaster Dive Eco-Drive Watch, 3-Hand Date, ISO Certified, Luminous Hands and Markers, Rotating Bezel
Units sold100
Trending Seiko 5 Gmt Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B00PXVU3GM booked 100 units at $237.99.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B00PXVU3GM
CITIZEN Promaster Dive Eco-Drive Watch, 3-Hand Date, ISO Certified, Luminous Hands and Markers, Rotating Bezel
Price
$237.99
Rating
4.6
Reviews
8.8K
Latest month sales
B07Z58BB9C
SEIKO Presage Cocktail Time Automatic Watch for Men
Price
$378.00
Rating
4.4
Reviews
78
Latest month sales
B00189VBSM
SEIKO Men's Watches 5 SNKE03-4
Unlock to view ASIN details and product titles
Price
$229.99
Rating
3.9
Reviews
1.8K
Latest month sales
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