Seiko Cal. 5642 - 259

Seiko 5642-259

The 5642-259 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5642 caliber with 25j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-12cebcf98aa5]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1968

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