Seiko Cal. 3851 - 637

The Seiko 3851-637 represents an important milestone in Seiko's 1988 lineup. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-20429daa8a61]

Also known as: Rally, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1988

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