Seiko Cal. 5661 - 110

The Seiko 5661-110 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-992445f2ab20]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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