Seiko Cal. 6697 - 155

Seiko 6697-155

This Spring Drive model from 1974 features a 45mm Stainless Steel case. Powered by the 6697 caliber with 36j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-b98fdbec7c1a]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1974

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