Seiko Cal. 6633 - 769

The Seiko 6633-769 represents an important milestone in Seiko's 1991 lineup. Powered by the 6633 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-8bd748fece48]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

Related Models

• Seiko 6153-706
• Seiko 6392-651
• Seiko 6631-810
• Seiko 0786-949
• Seiko 6334-377
• Seiko 7099-754
• Seiko 6614-803
• Seiko 6217-965
• Seiko 4464-824
• Seiko 5283-298
• Seiko 6682-656
• Seiko 4588-426