Seiko Cal. 4446 - 255

This Spring Drive model from 1987 features a 40mm Titanium case. Powered by the 4446 caliber with 22j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-96799952524a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1987

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