Seiko Cal. 4497 - 331

Released in 1969, the Cal. 4497 with design code 331 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-cabc4f7aab97]

Also known as: Helmet, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1969

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