Seiko Cal. 6311 - 156

Released in 1966, the Cal. 6311 with design code 156 was part of Seiko's domestic market collection. Powered by the 6311 caliber with 34j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-087943050269]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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