Seiko Cal. 6356 - 688

The Seiko 6356-688 represents an important milestone in Seiko's 1971 lineup. Powered by the 6356 caliber with 33j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-5d92ff89f5ba]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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