Seiko Cal. 4545 - 327

This Spring Drive model from 1965 features a 41mm Stainless Steel case. Powered by the 4545 caliber with 25j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-91b10d95434a]

Also known as: Navigator, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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