Seiko Cal. 4487 - 392

The Seiko 4487-392 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-76c9dbc295de]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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