Seiko Cal. 6633 - 757

The Seiko 6633-757 represents an important milestone in Seiko's 1980 lineup. Powered by the 6633 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-cf2233c71d5e]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1980

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