Seiko Cal. 3881 - 587

The Seiko 3881-587 represents an important milestone in Seiko's 1986 lineup. Powered by the 3881 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-c1ab30a9702c]

Also known as: Rally, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1986

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