Seiko Cal. 3870 - 985

The Seiko 3870-985 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-74f9aab65b96]

Also known as: Bellmatic, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1979

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