Seiko Cal. 6616 - 816

The Seiko 6616-816 represents an important milestone in Seiko's 1983 lineup. Powered by the 6616 caliber with 32j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-bc87637b2f9b]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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