Seiko Cal. 3878 - 350

The Seiko 3878-350 represents an important milestone in Seiko's 1994 lineup. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-c5c85c177f41]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1994

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