Seiko Cal. 7165 - 664

The Seiko 7165-664 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-b23c60ce7e5e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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