Seiko Cal. 6661 - 156

The Seiko 6661-156 represents an important milestone in Seiko's 1985 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0a593ec87008]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1985

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