Seiko Cal. 3858 - 666

The Seiko 3858-666 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-e84194d4130c]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1985

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