Seiko Cal. 5678 - 878

The 5678-878 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-0939b730c726]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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