Seiko Cal. 3887 - 478

The Seiko 3887-478 represents an important milestone in Seiko's 1974 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-bb2a84c14f88]

Also known as: Bellmatic, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1974

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