Seiko Cal. 6338 - 640

The 6338-640 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-19ac0f7d3616]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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