Seiko Cal. 5678 - 518

Released in 1966, the Cal. 5678 with design code 518 was part of Seiko's domestic market collection. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-c887dd432ca4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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