Seiko Cal. 5667 - 311

Released in 1969, the Cal. 5667 with design code 311 was part of Seiko's domestic market collection. Powered by the 5667 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-ddebb9ead72b]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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