Seiko Cal. 6389 - 637

This Kinetic model from 1984 features a 37mm Hardlex-Coated Steel case. Powered by the 6389 caliber with 35j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-9995f8b58649]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1984

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