Seiko Cal. 6616 - 854

This Spring Drive model from 1972 features a 40mm PVD Black case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4ccc06a4f5d8]

Also known as: Goldfeather, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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