Seiko Cal. 5656 - 631

The Seiko 5656-631 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-5ffb11db3584]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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