Seiko Cal. 6366 - 853

Seiko 6366-853

The 6366-853 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6366 caliber with 31j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-835a4e198a99]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1978

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seikata-wm-835a4e198a99