Seiko Cal. 7164 - 850

The Seiko 7164-850 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-61850a6cd602]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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