Seiko Cal. 3859 - 654

The Seiko 3859-654 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-27c990488028]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1974

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