Seiko Cal. 6620 - 401

The 6620-401 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6620 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ce0d2dc17318]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1976

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