Seiko Cal. 3869 - 902

The 3869-902 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3869 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-4ca1d97c4b33]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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