Seiko Cal. 5678 - 818

The 5678-818 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5678 caliber with 18j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-f63889b28031]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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