Seiko Cal. 3887 - 401

The Seiko 3887-401 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-d3b3288f5ceb]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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