Seiko Cal. 6366 - 847

This Spring Drive model from 1981 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e82e863cd770]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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