Seiko Cal. 3870 - 647

This Kinetic model from 1981 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-26aa46488a25]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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