Seiko Cal. 4554 - 768

The 4554-768 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4554 caliber with 36j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-4e8f8816c574]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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