Seiko Cal. 3851 - 664

The Seiko 3851-664 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-b94b19fc70dc]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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