Seiko Cal. 5291 - 661

The Seiko 5291-661 represents an important milestone in Seiko's 1967 lineup. Powered by the 5291 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-28335a7aae6c]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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