Seiko Cal. 4491 - 621

Released in 1999, the Cal. 4491 with design code 621 was part of Seiko's domestic market collection. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-dc59ed646720]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1999

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