Seiko Cal. 4450 - 636

Released in 1965, the Cal. 4450 with design code 636 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-73fd3afb1c08]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

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