Seiko Cal. 5678 - 301

Released in 1974, the Cal. 5678 with design code 301 was part of Seiko's domestic market collection. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-7fde8af60ffb]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1974

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