Seiko Cal. 4491 - 313

Released in 1966, the Cal. 4491 with design code 313 was part of Seiko's domestic market collection. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c61ccdf246ff]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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