Seiko Cal. 3878 - 886

The Seiko 3878-886 represents an important milestone in Seiko's 1965 lineup. Powered by the 3878 caliber with 22j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-47ba3396cf78]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1965

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