Seiko Cal. 6620 - 824

The 6620-824 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6620 caliber with 24j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-29a7f518c3b5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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