Seiko Cal. 6656 - 391

The Seiko 6656-391 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-32548a9a0b88]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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