Seiko Cal. 6620 - 185

This Spring Drive model from 1970 features a 38mm Titanium case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-271a9939fd0e]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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