Seiko Cal. 4487 - 633

Released in 1997, the Cal. 4487 with design code 633 was part of Seiko's domestic market collection. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b06a95aa4cfb]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1997

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