Seiko Cal. 4478 - 272

The Seiko 4478-272 represents an important milestone in Seiko's 1991 lineup. Powered by the 4478 caliber with 20j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-61132c5610b1]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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