Seiko Cal. 6678 - 756

This Spring Drive model from 1979 features a 36mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-b56f8a483c9c]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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