![Instagram photo by Bertnet69 - Seiko Collector • Mar 12, 2016 at 3:47pm UTC | Fancy watches, Luxury watches for men, Watches for men Instagram photo by Bertnet69 - Seiko Collector • Mar 12, 2016 at 3:47pm UTC | Fancy watches, Luxury watches for men, Watches for men](https://i.pinimg.com/originals/99/16/37/99163717359bfaac09b469ff677db18f.jpg)
Instagram photo by Bertnet69 - Seiko Collector • Mar 12, 2016 at 3:47pm UTC | Fancy watches, Luxury watches for men, Watches for men
![Lot-Art | Seiko - "Calculator" Slide Rule Huge Double Chronograph Cal.6138 - 6138-7000 - Men - 1970-1979 Lot-Art | Seiko - "Calculator" Slide Rule Huge Double Chronograph Cal.6138 - 6138-7000 - Men - 1970-1979](https://gcp-la8-storage-cdn.lot-art.com/public/upl/57/Seiko-Calculator-Slide-Rule-Huge-Double-Chronograph-Cal6138-6138-7000-Men-1970-1979_1599317820_3166.jpg)
Lot-Art | Seiko - "Calculator" Slide Rule Huge Double Chronograph Cal.6138 - 6138-7000 - Men - 1970-1979
![Seiko Calculator double choronograph 6138-7000 pilot watch for R13 957 for sale from a Private Seller on Chrono24 Seiko Calculator double choronograph 6138-7000 pilot watch for R13 957 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/22567253-qn59p2znp5ombuiid8tr5row-ExtraLarge.jpg)
Seiko Calculator double choronograph 6138-7000 pilot watch for R13 957 for sale from a Private Seller on Chrono24
![6138-7000] The Seiko Calculator. C and D scale to help you multiply and divide any range of numbers just as quickly as you can type into a calculator. Plus it's a chronograph! : 6138-7000] The Seiko Calculator. C and D scale to help you multiply and divide any range of numbers just as quickly as you can type into a calculator. Plus it's a chronograph! :](https://preview.redd.it/y80f8yfb7ze61.jpg?auto=webp&s=f275e886f865d3e5b0d2dc18e63b9a7bd7de470e)
6138-7000] The Seiko Calculator. C and D scale to help you multiply and divide any range of numbers just as quickly as you can type into a calculator. Plus it's a chronograph! :
![極 SEIKO セイコー カリキュレーター 6138-7000 計算尺クロノグラフ 自動巻 ヴィンテージ/メンズ 腕時計/ブラック/回転/レア(セイコー)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com) 極 SEIKO セイコー カリキュレーター 6138-7000 計算尺クロノグラフ 自動巻 ヴィンテージ/メンズ 腕時計/ブラック/回転/レア(セイコー)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com)](https://auctions.afimg.jp/u1003224158/ya/image/u1003224158.1.jpg)
極 SEIKO セイコー カリキュレーター 6138-7000 計算尺クロノグラフ 自動巻 ヴィンテージ/メンズ 腕時計/ブラック/回転/レア(セイコー)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com)
![いいね!251件、コメント14件 ― Bertnet69 - Seiko Collectorさん(@bertnet69)のInstagramアカウント: 「SEIKO 6138-7000 " Chronog… | Luxury watches for men, Skeleton watches, Vintage watches いいね!251件、コメント14件 ― Bertnet69 - Seiko Collectorさん(@bertnet69)のInstagramアカウント: 「SEIKO 6138-7000 " Chronog… | Luxury watches for men, Skeleton watches, Vintage watches](https://i.pinimg.com/736x/4f/db/57/4fdb57156f16c4d26c8c89a7344d73ee.jpg)
いいね!251件、コメント14件 ― Bertnet69 - Seiko Collectorさん(@bertnet69)のInstagramアカウント: 「SEIKO 6138-7000 " Chronog… | Luxury watches for men, Skeleton watches, Vintage watches
![Seiko CALCULATOR SLIDE RULE Vintage automatic chronograph... for $2,945 for sale from a Trusted Seller on Chrono24 Seiko CALCULATOR SLIDE RULE Vintage automatic chronograph... for $2,945 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/24871896-x6xomlkg2lyd9fj6g3f3hdl4-ExtraLarge.jpg)
Seiko CALCULATOR SLIDE RULE Vintage automatic chronograph... for $2,945 for sale from a Trusted Seller on Chrono24
![rare holy grail 6138 7000 Seiko Pilot Sliderule Calculator Automatic, Hobbies & Toys, Memorabilia & Collectibles, Vintage Collectibles on Carousell rare holy grail 6138 7000 Seiko Pilot Sliderule Calculator Automatic, Hobbies & Toys, Memorabilia & Collectibles, Vintage Collectibles on Carousell](https://media.karousell.com/media/photos/products/2015/11/16/rare_holy_grail_6138_7000_seiko_pilot_sliderule_calculator_automatic_1447670104_1a2a4291.jpg)
rare holy grail 6138 7000 Seiko Pilot Sliderule Calculator Automatic, Hobbies & Toys, Memorabilia & Collectibles, Vintage Collectibles on Carousell
![Seiko 6138-7000 Vintage Chronograph Rare Automatic Mens Watch Authentic Working - Japan Pre-owned Vintage Seiko 6138-7000 Vintage Chronograph Rare Automatic Mens Watch Authentic Working - Japan Pre-owned Vintage](https://cdn11.bigcommerce.com/s-2iwxhck5m7/images/stencil/500x500/products/76276/394863/5_000000013198__34885.1631409862.jpg?c=2)