Seiko Cal. 3887 - 240

The 3887-240 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3887 caliber with 24j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-887488e7c33e]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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