Seiko Cal. 6648 - 833

The 6648-833 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3bc643349ccd]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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