Seiko Cal. 4491 - 396

Released in 1977, the Cal. 4491 with design code 396 was part of Seiko's domestic market collection. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-18cb74227de8]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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