Seiko Cal. 5642 - 602

Seiko 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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