Seiko Cal. 5656 - 437

This Automatic model from 1968 features a 41mm PVD Black case. Powered by the 5656 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-aaf137bd12de]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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