Seiko Cal. 7066 - 820

Seiko 7066-820

The 7066-820 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7066 caliber with 22j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-bae11e7c2f71]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Green
Jewels
22j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1993

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