Seiko Cal. 6620 - 842

The Seiko 6620-842 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-abdc705c791e]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1966

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