Seiko Cal. 5291 - 376

The Seiko 5291-376 represents an important milestone in Seiko's 1969 lineup. Powered by the 5291 caliber with 27j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d49a287d8f32]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

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