Seiko Cal. 7189 - 771

The Seiko 7189-771 represents an important milestone in Seiko's 1965 lineup. Powered by the 7189 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d9a31f2ca702]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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