Seiko Cal. 5662 - 342

The Seiko 5662-342 represents an important milestone in Seiko's 1979 lineup. Powered by the 5662 caliber with 22j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-b64fabe72d52]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1979

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