Seiko Cal. 3870 - 697

The Seiko 3870-697 represents an important milestone in Seiko's 1984 lineup. Powered by the 3870 caliber with 24j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-dc1731387adf]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1984

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