Seiko Cal. 6651 - 288

This Spring Drive model from 1970 features a 42mm PVD Black case. Powered by the 6651 caliber with 23j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-ff843aa9c7cf]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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