Seiko Cal. 6338 - 722

This Spring Drive model from 1966 features a 43mm Titanium case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-12f40b1d8ac2]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1966

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