Seiko Cal. 7164 - 723

The Seiko 7164-723 represents an important milestone in Seiko's 1970 lineup. Powered by the 7164 caliber with 31j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-8e99ff764f93]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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