Seiko Cal. 4563 - 333

This Spring Drive model from 1991 features a 37mm Titanium case. Powered by the 4563 caliber with 18j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-bca79016a16b]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1991

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