Seiko Cal. 4487 - 918

The Seiko 4487-918 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-aefd2b86575d]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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