Seiko Cal. 3870 - 899

The Seiko 3870-899 represents an important milestone in Seiko's 1981 lineup. Powered by the 3870 caliber with 24j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7b83462539ca]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1981

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