Seiko Cal. 5656 - 311

The Seiko 5656-311 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-53252c328e0e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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