Seiko Cal. 6318 - 678

The Seiko 6318-678 represents an important milestone in Seiko's 1971 lineup. Powered by the 6318 caliber with 35j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-0bb4df63efa8]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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