Seiko Cal. 6620 - 616

This Quartz model from 1980 features a 37mm Hardlex-Coated Steel case. Powered by the 6620 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e3cfa7b55961]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1980

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