Seiko Cal. 6133 - 648

The Seiko 6133-648 represents an important milestone in Seiko's 1965 lineup. Powered by the 6133 caliber with 28j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-9e35d678d391]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1965

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