Seiko Cal. 5661 - 459

The Seiko 5661-459 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4c3c5ddb1cff]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

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