Seiko Cal. 4450 - 950

Released in 1974, the Cal. 4450 with design code 950 was part of Seiko's domestic market collection. Powered by the 4450 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-ccbc30cd92fc]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1974

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