Seiko Cal. 5678 - 779

The 5678-779 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-a2110c84bd5c]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1991

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