Seiko Cal. 4577 - 997

The Seiko 4577-997 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4474086ad460]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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