Seiko Cal. 6634 - 833

The Seiko 6634-833 represents an important milestone in Seiko's 1977 lineup. Powered by the 6634 caliber with 28j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-39a7c4cdda00]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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