Seiko Cal. 6398 - 543

The 6398-543 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6eaad19eb329]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1982

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