Seiko Cal. 6697 - 559

Seiko 6697-559

The 6697-559 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6697 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-768fa8429e33]

Also known as: Monster, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1965

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