Seiko Cal. 4542 - 722

The 4542-722 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4542 caliber with 33j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-63170e397a5a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1997

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