Seiko Cal. 6616 - 915

The 6616-915 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f9bee6cdd24a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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