Seiko Cal. 6670 - 597

Seiko 6670-597

The 6670-597 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6670 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-34307e7debf4]

Also known as: Rally, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Champagne
Jewels
22j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1991

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