Seiko Cal. 6616 - 957

Seiko 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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