Seiko Cal. 3870 - 397

This Kinetic model from 1984 features a 45mm Two-Tone case. Powered by the 3870 caliber with 29j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-cbfbaa906490]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1984

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