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  1. Specs - GRANDFATHER TUNA - YAQ028 6159‐7010 / 6159-7019

    Seiko Reviews
    GRANDFATHER TUNA MODEL - YAQ028 CALIBER - REFERENCE - 6159‐7010 MARKET - JAPAN PRODUCTION 1975-1978 MODEL - 60257 CALIBER - REFERENCE - 6159‐7019 MARKET - EXPORT PRODUCTION - 1975-1978 SEIKO RETAIL - ¥89,000 MARKET VALUE - $1800 - $3000+ CALIBER - 6159B Automatic JEWELS - 25 BPH - 36,000...
  2. WTB: Seiko 6159-7010 Shroud and crown

    SEIKO & CITIZEN TRADING POST
    Searching worldwide for a Seiko 6159-7010 600m Tuna shroud. Also chasing a crown / stem. Pm me with anything.
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