Seiko Cal. 7178 - 487

Released in 1971, the Cal. 7178 with design code 487 was part of Seiko's domestic market collection. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e923de7ef227]

Also known as: Rally, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1971

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