Seiko Cal. 6399 - 694

This Spring Drive model from 1975 features a 46mm Titanium case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-7572c6e8cb3d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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