Seiko Cal. 7164 - 649

The Seiko 7164-649 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6285a10fc795]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

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