Ooyama 大山商店

We primarily ship vintage pre-owned watches by SEIKO and OMEGA from Japan to various locations overseas.

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Seiko Selection

SEIKO Grand Seiko Second model Silver Dial Hand Winding Watch Ref.43999

SEIKO Grand Seiko Second model Silver Dial Hand Winding Watch Ref.43999

SEIKO Grand Seiko Second model Silver Dial Hand Winding Watch Ref.43999

$817.16

Vintage 1976 SEIKO Chronos QUARTZ Round shape silver Tone Dial Ref.8123-7130

Vintage 1976 SEIKO Chronos QUARTZ Round shape silver Tone Dial Ref.8123-7130

Vintage 1976 SEIKO Chronos QUARTZ Round shape silver Tone Dial Ref.8123-7130

$127.26

Vintage 1998 SEIKO SPRIT Tonneau shape QUARTZ Gold Tone Dial Ref. 7N33-5A50

Vintage 1998 SEIKO SPRIT Tonneau shape QUARTZ Gold Tone Dial Ref. 7N33-5A50

Vintage 1998 SEIKO SPRIT Tonneau shape QUARTZ Gold Tone Dial Ref. 7N33-5A50

$99.89

Vintage KING SEIKO hi-beat day/date automatic 25J ref.5626-7000 Jan.1970

Vintage KING SEIKO hi-beat day/date automatic 25J ref.5626-7000 Jan.1970

Vintage KING SEIKO hi-beat day/date automatic 25J ref.5626-7000 Jan.1970

$335.45

SEIKO 5 Automatic Day/Date 21 Jewels Ref.7S26-01V0 Cal.7S26C Working w/Box

SEIKO 5 Automatic Day/Date 21 Jewels Ref.7S26-01V0 Cal.7S26C Working w/Box

SEIKO 5 Automatic Day/Date 21 Jewels Ref.7S26-01V0 Cal.7S26C Working w/Box

$136.35

Seiko Prospex Date SBDN073 V147-0CS0 200m Diver Men's Solar Watch

Seiko Prospex Date SBDN073 V147-0CS0 200m Diver Men's Solar Watch

Seiko Prospex Date SBDN073 V147-0CS0 200m Diver Men's Solar Watch

$308.98

Omega

OMEGA Seamaster Cosmic Day/Date Cal.752 Automatic Men's Watch Ref.166.036

OMEGA Seamaster Cosmic Day/Date Cal.752 Automatic Men's Watch Ref.166.036

OMEGA Seamaster Cosmic Day/Date Cal.752 Automatic Men's Watch Ref.166.036

$635.35

Omega Constellation Cal.1120 Date Ivory Dial Automatic Ref.1302.30

Omega Constellation Cal.1120 Date Ivory Dial Automatic Ref.1302.30

Omega Constellation Cal.1120 Date Ivory Dial Automatic Ref.1302.30

$1,453.53

Vintage OMEGA DE VILLE Cal.565 Silver Dial Gold Filled Automatic Ref.166.033

Vintage OMEGA DE VILLE Cal.565 Silver Dial Gold Filled Automatic Ref.166.033

Vintage OMEGA DE VILLE Cal.565 Silver Dial Gold Filled Automatic Ref.166.033

$449.90

OMEGA Geneve Date Hand-Winding Cal.613 Ref.136.011 Runs Omega band

OMEGA Geneve Date Hand-Winding Cal.613 Ref.136.011 Runs Omega band

OMEGA Geneve Date Hand-Winding Cal.613 Ref.136.011 Runs Omega band

$535.35 — Sold Out

[N MINT] OMEGA x Swatch Mission to Moonphase Snoopy SO33W700 Men From JAPAN

[N MINT] OMEGA x Swatch Mission to Moonphase Snoopy SO33W700 Men From JAPAN

[N MINT] OMEGA x Swatch Mission to Moonphase Snoopy SO33W700 Men From JAPAN

$399.89 — Sold Out

Omega Constellation Cal.564 Date Silver Dial Automatic Ref.166.017

Omega Constellation Cal.564 Date Silver Dial Automatic Ref.166.017

Omega Constellation Cal.564 Date Silver Dial Automatic Ref.166.017

$726.25