Seiko Cal. 6616 - 436

This Spring Drive model from 1981 features a 38mm Gold-Plated case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cc61df34dd11]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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