Seiko Cal. 5659 - 327

Seiko 5659-327

The 5659-327 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5659 caliber with 30j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-e9f7a54988ed]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1982

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