Seiko Cal. 6633 - 453

The Seiko 6633-453 represents an important milestone in Seiko's 1979 lineup. Powered by the 6633 caliber with 23j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-7397a041ba31]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1979

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