Seiko Cal. 3878 - 769

The Seiko 3878-769 represents an important milestone in Seiko's 1980 lineup. Powered by the 3878 caliber with 29j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-d9bf99262b61]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1980

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