Seiko Cal. 6399 - 557

This Kinetic model from 1977 features a 36mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-d4b27d3358b9]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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