Seiko Cal. 7178 - 328

The Seiko 7178-328 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-cebf56513fe5]

Also known as: Rally, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1971

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