Seiko Cal. 4450 - 634

Released in 1994, the Cal. 4450 with design code 634 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-539b76b622e9]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1994

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