#author("2024-12-10T12:43:02+00:00","default:admin","admin") #author("2024-12-10T12:43:10+00:00","default:admin","admin") https://www.plus9time.com/monozukuri-2018 https://electricwatchprototypes.com/article_draft/ https://electricwatchprototypes.com/beta-1-and-beta-2/ Very short lived predecessor to the 39 Series, rectangular with wig-wag motor instead of stepping motor, and 2x batteries in series. Very rare and debatably not even sold to the public. -Launched Dec 1970 -Accuracy 0.1s per day or 3s per month -Battery 2x 303 -Battery life 3 years ,Ref,Case,Dial,Notes ,3602-????,Stainless steel,,Yen215.000 inc bracelet ,3602-????,Stainless steel,Suwa logo, **Seiko Sales brochures [#na1efb09] -Note date indicates 2nd -Seconds hand on 43 #ref(Seiko-3602-6.jpg,around,right,zoom,0x250); #ref(Seiko-3602-1.jpg,zoom,0x250); #ref(Seiko-3602-4.jpg,zoom,0x250); #ref(Seiko-3602-3.jpg,zoom,0x250); **Seiko museum [#kda4521c] -Note Daini logo -Leather strap #ref(Seiko-3602-5.jpg,right,around,zoom,0x250); #ref(Seiko-3602-7.jpg,zoom,0x250); **Seiko Monozukuri Museum [#k796e1e5] -Date indicates 22 #ref(Seiko-3602-12.jpg,zoom,0x150); **Museum of Japanese Watches book [#o15e410a] -Illustrated in Museum of Japanese Watches book -"Seiko Museum Collection" -Appears to be two different watches from the front, plus caseback and movement shots. -Note Daini logo on dial and caseback -Date indicates 20th and 24th -Seconds hand on #ref(Seiko-3602-10.jpg,around,right,zoom,0x250); #ref(Seiko-3602-8.jpg,zoom,0x250); #ref(Seiko-3602-11.jpg,zoom,0x250); **Movement no. 000241 [#k0639339] -Illustrated in Seiko Sales brochure Jan 1971 -Signed "Seiko, 10J, 3602A, Japan, 000241" #ref(Seiko-3602-2.jpg,zoom,0x250); **Movement no. unknown [No 000130?] [#j65aa53c] -Illustrated in Museum of Japanese Watches book -Signed "Seiko, 10J, 3602A, Japan, 000???" possibly 000130? #ref(Seiko-3602-9.jpg,zoom,0x250); **Movement no. unknown [#z4a367c8] -Signed "Daini Seikosha" with text other way up to 000241 #ref(Seiko-3602-3.jpg,zoom,0x250);