Seiko Cal. 6616 - 957

The 6616-957 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6616 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-78aa39becee6]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1997

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