Seiko ~ Online Auction

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1984 Seiko 6309 7049 Turtle 150m Diver 43mm Automatic Running: Seiko automatic diver powered by the 6309A 17 jewel movement. Black dial marked “Seiko Automatic” and “Water 150m Resist” with day-date window at 3. Stainless steel cushion case with b

2026

1984 Seiko 6309 7049 Turtle 150m Diver 43mm Automatic Running

Sphere Auctions LLCSun Prarie, WI

1988 Seiko Alarm Chronograph Quartz Rectangular Base Metal Steel Back 29mm: Vintage Seiko Quartz rectangular Alarm Chronograph wristwatch featuring a cream dial with Arabic numerals, analog hands, and a digital display at 6 o’clock. The dial is marked “Seiko Quartz”

2026

1988 Seiko Alarm Chronograph Quartz Rectangular Base Metal Steel Back 29mm

Sphere Auctions LLCSun Prarie, WI

Seiko 7N43-9070 Quartz Wristwatch Stainless Steel Black Dial Day Date: Vintage Seiko quartz wristwatch featuring a black dial with applied hour markers and day-date display at 3 o’clock. Powered by a Seiko 7N43 quartz movement. Stainless steel case and Seiko-signed sta

2026

Seiko 7N43-9070 Quartz Wristwatch Stainless Steel Black Dial Day Date

Sphere Auctions LLCSun Prarie, WI

1988 Seiko Alarm Chronograph Quartz Rectangular Base Metal Steel Back 29mm: Vintage Seiko Quartz rectangular Alarm Chronograph wristwatch featuring a cream dial with Arabic numerals, analog hands, and a digital display at 6 o’clock. The dial is marked “Seiko Quartz”

2026

1988 Seiko Alarm Chronograph Quartz Rectangular Base Metal Steel Back 29mm

Sphere Auctions LLCSun Prarie, WI

Seiko Quartz Rectangular Two Tone Base Metal Wristwatch 26mm circa 1980s: Seiko quartz rectangular wristwatch featuring a silver dial with minimalist line markers and gold-tone hands. Two-tone rectangular case with gold-tone inner bezel, fitted to a matching two-tone stainl

2026

Seiko Quartz Rectangular Two Tone Base Metal Wristwatch 26mm circa 1980s

Sphere Auctions LLCSun Prarie, WI

Seiko Solar 100M Blacked Out Stainless Steel Wristwatch V157 0AV0 Running: Modern Seiko solar-powered wristwatch featuring a blacked-out stainless steel case and bracelet with grey sunburst-style dial. Dial is marked Solar 100M with date window at 3 o’clock. Caseback is en

2026

Seiko Solar 100M Blacked Out Stainless Steel Wristwatch V157 0AV0 Running

Sphere Auctions LLCSun Prarie, WI

2026

Seiko Advan 1970s Automatic 21J Blue Dial 36mm Stainless Steel Watch

Sphere Auctions LLCSun Prarie, WI

Seiko Chronograph Quartz 7T34 Two Tone Steel 41mm Tachymeter Bezel Running: Seiko quartz chronograph wristwatch with multi-register dial and tachymeter bezel. The dial is signed Seiko Quartz and features three subdials with central chronograph seconds. Caseback is stainless s

2026

Seiko Chronograph Quartz 7T34 Two Tone Steel 41mm Tachymeter Bezel Running

Sphere Auctions LLCSun Prarie, WI

Seiko Quartz Day Date Stainless Steel Wristwatch Gray Dial 36mm circa 1980s: Seiko quartz wristwatch featuring a gray sunburst dial with applied silver-tone baton hour markers and matching hands. Day-date display at 3 o’clock with bilingual day wheel. Dial signed Seiko Quart

2026

Seiko Quartz Day Date Stainless Steel Wristwatch Gray Dial 36mm circa 1980s

Sphere Auctions LLCSun Prarie, WI

Seiko Quartz Day Date Wristwatch Ref 6F26-6010R 32.6mm Gold Tone Runs: Vintage Seiko quartz wristwatch featuring a gold dial with applied Roman numerals and a rotating inner day–date ring. The dial is clearly signed Seiko Quartz and marked 6F26-6010 R at 6 o’clock. G

2026

Seiko Quartz Day Date Wristwatch Ref 6F26-6010R 32.6mm Gold Tone Runs

Sphere Auctions LLCSun Prarie, WI

1990s Seiko Quartz Chronograph 7T34 Red Subdial Two Tone 41mm Watch Running: Seiko quartz chronograph wristwatch featuring a white dial with red chronograph subdials, central chronograph seconds, and multi-scale tachymeter bezel. Dial is signed Seiko Quartz with applied hour m

2026

1990s Seiko Quartz Chronograph 7T34 Red Subdial Two Tone 41mm Watch Running

Sphere Auctions LLCSun Prarie, WI

1980s Seiko H357-5049 Alarm Chronograph Ana Digi 32mm New Battery Running: 1980s Seiko quartz alarm chronograph with analog and digital display, reference H357-5049. Black dial marked “Seiko Quartz” and “Alarm Chronograph,” with upper digital day/date display

2026

1980s Seiko H357-5049 Alarm Chronograph Ana Digi 32mm New Battery Running

Sphere Auctions LLCSun Prarie, WI

1960s Seiko Sea Lion M55 Ref 6206-9000 Automatic 26J 30mm Stainless Steel: Vintage Japanese automatic wristwatch by Seiko, featuring the Sea Lion M55 caseback with dolphin medallion. This example houses Seiko’s early high-jewel automatic movement and retains its original d

2026

1960s Seiko Sea Lion M55 Ref 6206-9000 Automatic 26J 30mm Stainless Steel

Sphere Auctions LLCSun Prarie, WI

Seiko Quartz 5Y30-5189 Gold Tone 1980s 26mm Black Dial Mason Inscription Running: Vintage Seiko quartz wristwatch, circa 1980s, reference 5Y30-5189 RO. Black dial marked Seiko Quartz with applied gold tone hour markers.Caseback engraved:“This time piece is dedicated to the Mason

2026

Seiko Quartz 5Y30-5189 Gold Tone 1980s 26mm Black Dial Mason Inscription Running

Sphere Auctions LLCSun Prarie, WI

Lot of 4 Ladies Watches Seiko Quartz Helbros 17J Caravelle Esetkor Gold Tone: Lot of four vintage ladies wristwatches including Seiko Quartz, Helbros 17 jewels mechanical, Caravelle, and Esetkor Electra 23 jewel mechanical. Mixed gold tone and silver tone cases with expansion a

2026

Lot of 4 Ladies Watches Seiko Quartz Helbros 17J Caravelle Esetkor Gold Tone

Sphere Auctions LLCSun Prarie, WI

Seiko Quartz Gold Tone Base Metal Wristwatch 34mm Ref 7810 8049 circa: Seiko quartz wristwatch featuring a dark brown dial with applied baton hour markers and gold-tone hands. Gold-tone base metal case fitted with a gold-tone stretch bracelet. Dial signed Seiko Quartz wi

2026

Seiko Quartz Gold Tone Base Metal Wristwatch 34mm Ref 7810 8049 circa

Sphere Auctions LLCSun Prarie, WI

1990s Seiko Quartz Chronograph 7T34-6A09 Two Tone 42mm Tachymeter Watch Running: Seiko quartz chronograph wristwatch with multi-register white dial and blue accent rings. Dial is signed Seiko Quartz and Chronograph, featuring central chronograph seconds and four subdials. Fixed ta

2026

1990s Seiko Quartz Chronograph 7T34-6A09 Two Tone 42mm Tachymeter Watch Running

Sphere Auctions LLCSun Prarie, WI

1990s Seiko Quartz Chronograph 7T34-6A09 Gold Tone 42mm Tachymeter Watch Running: Seiko quartz chronograph wristwatch with white multi-register dial and gold-tone case and bracelet. Dial is signed Seiko Quartz and Chronograph, featuring central chronograph seconds and four subdials

2026

1990s Seiko Quartz Chronograph 7T34-6A09 Gold Tone 42mm Tachymeter Watch Running

Sphere Auctions LLCSun Prarie, WI

Seiko 7432-6A00 Quartz 1990s Two Tone Roman Dial 33mm Running New Battery: Seiko quartz reference 7432-6A00 RO, circa 1990s. Silver dial with Roman numerals at 12, 3, and 6, blue outer chapter ring with Arabic minute track, and gold tone hands. Case marked Seiko St Steel + B

2026

Seiko 7432-6A00 Quartz 1990s Two Tone Roman Dial 33mm Running New Battery

Sphere Auctions LLCSun Prarie, WI

Lot of 6 Vintage Wristwatches Bulova Caravelle Waltham Seiko Untested Plus Chronograph Case: Lot of six vintage wristwatches plus one empty chronograph watch case, all offered untested and sold strictly as found. The group includes watches from Bulova, Caravelle, Waltham, and Seiko. Movements

2026

Lot of 6 Vintage Wristwatches Bulova Caravelle Waltham Seiko Untested Plus Chronograph Case

Sphere Auctions LLCSun Prarie, WI

1990s Seiko Quartz 34mm Gold Tone University of Notre Dame Dial Date Watch: Vintage Seiko quartz wristwatch featuring a gold embossed collegiate seal dial reading “University of Notre Dame” with “Notre Dame Indiana” along the lower arc. The raised central ND c

2026

1990s Seiko Quartz 34mm Gold Tone University of Notre Dame Dial Date Watch

Sphere Auctions LLCSun Prarie, WI

Seiko Sports 50 7N42-8141 Gold Tone Quartz Date 37mm New Battery Running: Seiko Sports 50 quartz wristwatch with white dial and date at 3. Dial marked “MOVT JAPAN 7N42-8141 R2.” Caseback stamped 7N42-8019, 5 BAR, from Friends at Kimberly Press, Good Luck Dick 2-12-9

2026

Seiko Sports 50 7N42-8141 Gold Tone Quartz Date 37mm New Battery Running

Sphere Auctions LLCSun Prarie, WI

2026

1971 Seiko 5 Ref 7009-3030 Automatic Day Date Stainless Steel Silver Dial Running

Sphere Auctions LLCSun Prarie, WI

Seiko Quartz Ana Digi Rectangular Wristwatch Base Metal Stainless Back 28mm circa 1980s: Seiko quartz analog-digital wristwatch featuring a rectangular gray textured dial with gold-tone baton hour markers and matching gold-tone hands. Integrated digital display at 6 o’clock with push-bu

2026

Seiko Quartz Ana Digi Rectangular Wristwatch Base Metal Stainless Back 28mm circa 1980s

Sphere Auctions LLCSun Prarie, WI

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