Seiko Cal. 0718 - 638

Seiko 0718-638

The 0718-638 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0718 caliber with 23j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-0c7b915bbef8]

Also known as: Turtle, Pogue

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1977

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