Seiko Cal. 4551 - 754

The Seiko 4551-754 represents an important milestone in Seiko's 1978 lineup. Powered by the 4551 caliber with 17j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-c49c527cebfd]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1978

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