Seiko Cal. 5656 - 437

This Quartz model from 1972 features a 41mm Hardlex-Coated Steel case. Powered by the 5656 caliber with 26j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-cbb8749a268b]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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