Seiko Cal. 3877 - 682

The 3877-682 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3877 caliber with 34j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-74cca5b8f42d]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1990

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