Seiko Cal. 6620 - 325

The Seiko 6620-325 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-2718c37339d8]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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