Seiko Cal. 6620 - 818

This Hand-Winding model from 1975 features a 43mm Gold-Plated case. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-36b3f0a9730f]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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