Seiko Cal. 6649 - 318

The Seiko 6649-318 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-10062a035505]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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