Seiko Cal. 4577 - 557

The Seiko 4577-557 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-b32ccd3ebe77]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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