Seiko Cal. 6399 - 558

The 6399-558 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6ee5fe086878]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1967

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