Seiko Cal. 4498 - 402

This Spring Drive model from 1992 features a 45mm Stainless Steel case. Powered by the 4498 caliber with 23j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-93ebdb617257]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1992

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