Seiko Cal. 5669 - 318

The Seiko 5669-318 represents an important milestone in Seiko's 1971 lineup. Powered by the 5669 caliber with 31j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-7e34ef02df77]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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