Seiko Cal. 6620 - 634

This Solar model from 1974 features a 38mm Gold-Plated case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d36fdbb7a48d]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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