Seiko Cal. 6659 - 735

Seiko 6659-735

The 6659-735 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6659 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-89fb7d55d81c]

Also known as: Helmet, Rally

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
100m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1969

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