Seiko Cal. 6659 - 707

Seiko 6659-707

The 6659-707 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5fec245d4562]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1969

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