Seiko Cal. 4527 - 577

The Seiko 4527-577 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-a5bd3ac5ac9f]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1979

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