Seiko Cal. 4450 - 405

This Spring Drive model from 1973 features a 44mm Titanium case. Powered by the 4450 caliber with 33j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-b85f38062ecd]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1973

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