Seiko Cal. 3817 - 247

The Seiko 3817-247 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-a5103c53cb63]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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