Seiko Cal. 3870 - 589

The Seiko 3870-589 represents an important milestone in Seiko's 1970 lineup. Powered by the 3870 caliber with 17j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-f33b205f3ba0]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1970

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