Seiko Cal. 3878 - 701

The 3878-701 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3878 caliber with 27j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-9cd15732cde9]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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