Seiko Cal. 0770 - 150

Released in 1967, the Cal. 0770 with design code 150 was part of Seiko's domestic market collection. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-02ba285fd14a]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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