Seiko Cal. 6661 - 115

The Seiko 6661-115 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9ac11ba300f6]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1991

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