Seiko Cal. 5656 - 154

The Seiko 5656-154 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-eeb7a6a3a408]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

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