Seiko Cal. 5648 - 598

The Seiko 5648-598 represents an important milestone in Seiko's 1988 lineup. Powered by the 5648 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-8dc0f92e8a66]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1988

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