Seiko Cal. 6616 - 322

The 6616-322 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-5a348d48da4f]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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