Seiko Cal. 5656 - 372

The Seiko 5656-372 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9ffd94f99c54]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1965

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