Seiko Cal. 0773 - 311

The Seiko 0773-311 represents an important milestone in Seiko's 1974 lineup. Powered by the 0773 caliber with 21j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-04169d107168]

Also known as: Bullhead, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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