Seiko Cal. 4487 - 321

The Seiko 4487-321 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-e43aa8ab27d6]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1991

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