Seiko Cal. 3887 - 418

The 3887-418 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3887 caliber with 20j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-fdd592ac09a9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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