Seiko Cal. 4557 - 528

The Seiko 4557-528 represents an important milestone in Seiko's 1986 lineup. Powered by the 4557 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-6a237df3ee0f]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1986

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