Seiko Cal. 4497 - 357

The Seiko 4497-357 represents an important milestone in Seiko's 1983 lineup. Powered by the 4497 caliber with 26j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-dcee07fa586e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1983

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