Seiko Cal. 4433 - 973

This Spring Drive model from 1975 features a 46mm Titanium case. Powered by the 4433 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e775d7c1b889]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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