Seiko Cal. 4480 - 638

The Seiko 4480-638 represents an important milestone in Seiko's 1992 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b015f8be72cc]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1992

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