Seiko Cal. 3894 - 677

The Seiko 3894-677 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-89339c612c48]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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