Seiko Cal. 6661 - 878

The Seiko 6661-878 represents an important milestone in Seiko's 1987 lineup. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-0f3abcc9c101]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1987

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