Seiko Cal. 3870 - 311

This Kinetic model from 1988 features a 45mm PVD Black case. Powered by the 3870 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-39e8ee8f7039]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1988

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