Seiko Cal. 6318 - 747

The 6318-747 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6318 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-53b20be5eb63]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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