Seiko Cal. 3870 - 417

The Seiko 3870-417 represents an important milestone in Seiko's 1986 lineup. Powered by the 3870 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-b510d4395ddc]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1986

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