Seiko Cal. 5642 - 602

The 5642-602 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5642 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-afe276aead51]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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