Seiko Cal. 4577 - 285

The Seiko 4577-285 represents an important milestone in Seiko's 1991 lineup. Powered by the 4577 caliber with 35j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-93ab2bca7cb2]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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