Seiko Cal. 4487 - 915

The Seiko 4487-915 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-56f3e00c15a6]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1993

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