AKA: S-150S, AKA (Label): S-150S, SEIKOSHA, Product number (P/N): S150S (S-150S),
Keywords/Tags: S150S (S-150S)
Date of intro: ~1971, Origin: Japan (List), Dimensions: 356x229mm,
Power: AC,
Display: Type = Display (None) (List), Digits = 14,
Number of keys: 28, #Key-Black: 19, #Key-Green: 5, #Key-Orange: 2, #Key-Red: 2,
Keyboard Array (Rows x Columns): 05x07, Keyboard Layout: [%] [K] [(Sigma)] - [Paper Feed] [7] [8] [9] [x] [(Division)] [CM] - [#] [4] [5] [6] [-] [(Rhombus)=] [RM] - [R#] [1] [2] [3] [+] [C*] [-M] - [CK] [0] [.] [+M],
Decimal switch: [F-+-8-6-4-3-2-1-0], Round switch: [(ArrowUp)-5/4-(ArrowDown)], Indicators: READY ERROR M,
Classification: / Desktop with Printer,
Featuring: Procent, Memories: 6,
Certification: 500J(UL) (List All UL's),
Serie-members: SEIKO: S150S (1 Memory); SEIKO: S200D (2 Memories),
Known Serial-numbers: MA4666 | MM2366 (List of all S/Ns from SEIKO)
Collector value: 7.5/10,