Seiko Cal. 7189 - 557

The Seiko 7189-557 represents an important milestone in Seiko's 1976 lineup. Powered by the 7189 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-fbe09b5bff15]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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