Seiko Cal. 5660 - 907

The Seiko 5660-907 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8defa24b7235]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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