Seiko Cal. 5678 - 961

The 5678-961 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-58badc053b9e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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