Seiko Cal. 3870 - 357

The Seiko 3870-357 represents an important milestone in Seiko's 1992 lineup. Powered by the 3870 caliber with 26j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ba02d1afc8d2]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1992

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