Seiko Cal. 4478 - 460

The Seiko 4478-460 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-554d622133bd]

Also known as: Silverwave, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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