Seiko Cal. 3870 - 305

The Seiko 3870-305 represents an important milestone in Seiko's 1989 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-a92bd9acfad0]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1989

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