Seiko Cal. 3870 - 522

The Seiko 3870-522 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-7c2ac03d09cc]

Also known as: Panda, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

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