Seiko Cal. 5611 - 340

The Seiko 5611-340 represents an important milestone in Seiko's 1974 lineup. Powered by the 5611 caliber with 18j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-2d8c6a28af20]

Also known as: UFO, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1974

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