Seiko Cal. 5642 - 598

The 5642-598 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5642 caliber with 17j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3e0fb5589ad4]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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