Seiko Cal. 6651 - 959

This Spring Drive model from 1968 features a 41mm PVD Black case. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-87b829ab8524]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

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