Seiko Cal. 7178 - 887

The Seiko 7178-887 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-9181fc3ce0b1]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1993

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