Seiko Cal. 6611 - 664

The Seiko 6611-664 represents an important milestone in Seiko's 1976 lineup. Powered by the 6611 caliber with 20j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-5dee758229ef]

Also known as: Rally, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1976

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