Seiko Cal. 4577 - 137

The Seiko 4577-137 represents an important milestone in Seiko's 1976 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ee95ed604a2e]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1976

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