Seiko Cal. 6677 - 670

Seiko 6677-670

The 6677-670 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6677 caliber with 21j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-a1c951db178f]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1985

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