Seiko Cal. 4531 - 444

Released in 1974, the Cal. 4531 with design code 444 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-e91ac9e38a23]

Also known as: Rally, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1974

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