Seiko Cal. 6365 - 657

Seiko 6365-657

The 6365-657 is a sought-after Solar piece from Seiko's golden era. Powered by the 6365 caliber with 30j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-d207aa007c7d]

Also known as: Bullhead, Helmet

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
190m
Dial Color
Champagne
Jewels
30j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1991

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