Seiko Cal. 5656 - 140

This Automatic model from 1968 features a 41mm Two-Tone case. Powered by the 5656 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-b2145b9a349b]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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